Table of Contents

5 sections 7 min read

You set up a new shrimp tank, your tap water tests at pH 7.6 with noticeable KH, and your Crystal Reds hide instead of grazing. That is exactly where the debate around best fluval stratum for shrimp vs fluval stratum starts, because regular Stratum and Bio Stratum look similar but behave differently in soft water setups.

This guide is for Caridina and Neocaridina keepers with planted tanks from 5 to 20 gallons. You will learn how Fluval soils buffer pH, how grain size affects babies and roots, and when to pick an alternative like volcanic ash soil or inert sand instead.

This article contains affiliate links. If you buy through one of our links, Shrimpyo may earn a commission at no extra cost to you. Commissions never influence which products we recommend or how we rank them. Read our Affiliate Disclosure for details.

Quick Picks at a Glance

As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated.

1
Prime Best Seller

AQUARIO Neo Soil Shrimp 8L Volcanic Aquasoil

Aquario
In Stock
9.9 /10
Shrimpyo Score
Shrimpyo Score is calculated from a base score plus a scaling bonus tied to the products own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
The AQUARIO Neo Soil Shrimp 8L is a volcanic ash aquasoil that buffers water slightly acidic for Caridina, Neocaridina and Sulawesi shrimp. Its humic acid, microelements and micropore structure make it ideal for breeders and planted tank keepers who want vibrant color, healthy shells and stable water.
Pros & Cons

Pros

  • Slightly acidic pH buffering ideal for sensitive shrimp species
  • Enriched with humic acid and microelements for color and shell health
  • Porous structure promotes beneficial bacteria and faster cycling
  • Supports both live plants and shrimp in one substrate
  • Large 8L bag suits full aquascapes

Cons

  • Active soil requires proper cycling and water monitoring at startup
  • Shrimp focused formula is less specialized for demanding carpeting plants than Plants version
  • Larger tanks may need multiple bags for adequate depth
Detailed Review

The AQUARIO Neo Soil Shrimp 8L is a volcanic ash based aquasoil designed specifically for freshwater shrimp tanks with live plants. It is made for keepers of Caridina, Neocaridina and Sulawesi shrimp who want stable, slightly acidic water and healthy breeding conditions.

Its brown core with black outer layer buffers pH down while humic acid and microelements improve water quality and nutrient uptake. In daily use, this means clearer water, stronger shell formation, more vibrant color and better survival for baby shrimp plus steady support for plant roots.

The compact 2 layer granules feature a highly porous micropore structure that gives beneficial bacteria plenty of surface to colonize. This helps new tanks cycle faster and stay biologically stable, while the soil also absorbs pollutants from the water column.

As with most active soils, it can release nutrients initially, so careful cycling and water testing are still needed. It is also tuned for shrimp health first, so high demand carpeting plant enthusiasts may prefer the Plants version or supplemental fertilization.

Overall, Neo Soil Shrimp is a superior choice for planted shrimp aquariums where water stability matters most. If you breed shrimp and want healthy plants in the same tank, this 8L substrate delivers reliable, long term performance.

Specifications

Brand: Aquario, Model: Neo Soil Shrimp Regular 8L, Type: Volcanic ash aquasoil for freshwater planted shrimp tanks.

Volume: 8 liters, Weight: 1 kg, Style: Modern black granules with brown core and micropore structure.

Best for: Caridina, Neocaridina and Sulawesi shrimp, planted nano to mid size aquariums needing slightly acidic pH buffering.

2
Prime Editor's Pick

Fluval Bio-Stratum Volcanic Aquarium Soil

Fluval
In Stock
9.8 /10
Shrimpyo Score
Shrimpyo Score is calculated from a base score plus a scaling bonus tied to the products own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
Fluval Bio-Stratum is a 4.4 lb volcanic soil substrate with porous 1mm granules and dormant nitrifying bacteria to jumpstart cycling. It is ideal for planted tank and shrimp keepers who want strong root growth and stable, low ammonia water.
Pros & Cons

Pros

  • Activates on contact with water to help cycle new aquariums faster
  • Lightweight porous granules promote healthy root penetration and spreading
  • Mineral rich formula supports dense foliage and vibrant plant color
  • Provides added biological filtration surface for stable water quality

Cons

  • Fine granules can cloud water if disturbed during planting or water changes
  • Lightweight texture can shift under strong filter flow or with digging fish
  • 4.4 lb bag suits nano tanks only, larger aquascapes need multiple bags
Detailed Review

Fluval Bio-Stratum is a volcanic soil substrate made for freshwater planted aquariums and aquascaping. It is best for beginners cycling a new tank and for hobbyists growing carpeting plants, stem plants and shrimp colonies.

Its standout feature is infused dormant nitrifying organisms that activate in water to break down waste and lower ammonia. In real tanks, this helps new setups stabilize faster while the mineral rich soil feeds plants for fuller growth and stronger color.

The substrate uses fine 1mm porous granules that stay loose and resist compacting like gravel or sand. This open texture lets delicate roots penetrate easily while giving beneficial bacteria plenty of surface area for colonization.

It is not perfect, as the light powder granules can cloud water if poured too fast or disturbed. The soft pellets also break down over time and the small bag size means larger tanks will need several bags for proper depth.

Overall, Fluval Bio-Stratum offers an excellent balance of plant nutrition, root friendly texture and biological support. If you want a low maintenance substrate that helps plants thrive and water stay stable, it is a smart pick for planted tanks.

Specifications

Brand: Fluval, Model 12696 Bio-Stratum Volcanic Soil

Size and Texture: 4.4 lbs, 70.4 ounces, fine 1mm porous powder granules

Type: Natural mineral rich aquarium substrate for planted freshwater tanks

Function: Supports plant growth, root development, waste breakdown and biological filtration

Best For: Live plants, tropical fish, shrimp, aquascaping and new tank cycling

Setup Tips

Use about 1 to 2 inches of depth in front with a deeper slope in back for rooted plants and aquascaping. One 4.4 lb bag suits small nano tanks, while larger tanks will need multiple bags for full coverage.

Do not rinse before use, just spread the dry substrate evenly then place a plate on top when filling. Pour water slowly to prevent clouding and to protect the fine granules.

Expect mild cloudiness and softening of water at first, which is normal for active volcanic soils. Cycle the tank fully before adding sensitive shrimp or fish, and avoid deep vacuuming to preserve bacteria and nutrients.

3
Prime Limited Time

Fluval Plant and Shrimp Stratum 8.8 lbs

Fluval
In Stock
9.8 /10
Shrimpyo Score
Shrimpyo Score is calculated from a base score plus a scaling bonus tied to the products own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
Fluval Plant and Shrimp Stratum is a porous volcanic soil substrate that supports strong root growth and a neutral to slightly acidic pH. It is ideal for planted freshwater tanks and breeding shrimp or tropical fish.
Pros & Cons

Pros

  • Excellent rooting and steady growth for live aquarium plants
  • Supports stable, shrimp friendly water parameters
  • Natural dark look enhances aquascape and livestock color
  • Lightweight porous granules support biological filtration
  • Stays clear with gentle filling and does not stain water

Cons

  • Very light granules can let new stem plants float without anchors or a deeper bed
  • Creates temporary dust or cloudiness during setup and rescaping
  • May soften pH at first, so testing and cycling before adding livestock is recommended
Detailed Review

Fluval Plant and Shrimp Stratum is a volcanic based aquarium soil designed for freshwater planted tanks, shrimp colonies and tropical fish. It suits beginners and experienced aquascapers who want better root development and more stable water than inert gravel can provide.

The porous granules deliver accessible nutrients to roots while giving beneficial bacteria a huge surface area to colonize. In real tanks, users report faster plant establishment, clearer water after cycling and active shrimp breeding in a natural looking scape.

The small, round, non compacting pellets allow roots to spread easily and let water flow through the bed. The dark natural finish looks clean, resists discoloration and makes green plants, red shrimp and colorful fish stand out.

Because the granules are lightweight, newly planted stems can float up until roots take hold, so a deeper bed or plant anchors help. It can release dust if poured aggressively or rescaped often, and it may soften pH at first, so gentle filling and cycling are important.

Overall, this is one of the easiest upgrades for a thriving planted shrimp tank with healthy growth and stable conditions. If you keep live plants, cherry shrimp, crystal shrimp or soft water tropical species, it is a reliable, low hassle choice.

Specifications

Brand: Fluval

Model: 12694 Plant and Shrimp Stratum

Size: 8.8 lbs, 4 kg bag, also available in 4.4 lb and 17.6 lb sizes

Form: Porous volcanic soil granules for freshwater use

Use: Planted aquariums, shrimp tanks, tropical freshwater community tanks

Setup Tips

Do not rinse before use to preserve nutrients and granule integrity.

Spread 1 to 2 inches for shrimp tanks and 2 to 3 inches for heavily planted layouts.

Place a plate or plastic bag on the substrate and pour water slowly to prevent clouding.

Cycle the tank and test pH, ammonia and nitrite before adding fish or shrimp.

4
Prime Top Rated

Fluval Shrimp Granules 1.2 oz

Fluval
In Stock
9.8 /10
Shrimpyo Score
Shrimpyo Score is calculated from a base score plus a scaling bonus tied to the products own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
Fluval Shrimp Granules is a protein-rich sinking food made for freshwater shrimp with added iodine and prebiotics to support molting and digestion. It is best for cherry shrimp and other dwarf shrimp keepers who want clean, palatable daily nutrition without artificial colors.
Pros & Cons

Pros

  • Shrimp locate it fast and eat enthusiastically in planted tanks
  • First ingredients include fish meal and krill instead of cheap fillers
  • Combines molting support, immune support and digestive support in one food
  • Small grabbable granule size works well for adults and juvenile shrimp
  • No artificial colorants helps keep water cleaner between feedings

Cons

  • Granules scatter briefly before sinking, so portioning takes practice
  • Higher protein and lower fiber than some algae based shrimp diets
  • 1.2 oz bottle may run out quickly for large or multiple colonies
Detailed Review

Fluval Shrimp Granules is a daily sinking food formulated specifically for freshwater dwarf shrimp such as cherry, crystal and Amano shrimp. It is ideal for beginners and planted tank keepers who want simple, complete nutrition that supports growth and breeding.

The formula stands out with natural iodine for molting support plus advanced yeast extract with prebiotics for digestion and disease resistance. Owners report shrimp find the granules within minutes and will grab a piece to carry away, with fish meal, krill and spirulina providing strong palatability.

The granules are small, dense and portion friendly, making it easy to feed small colonies without major waste. The compact screw top bottle keeps food fresh and stores neatly with other fish supplies, and the multivitamin enrichment covers daily needs.

Feeding takes a little practice since granules scatter briefly before sinking and dominant shrimp may hog pieces. The recipe is also higher in protein and lower in fiber than some algae based shrimp diets, so many keepers like to rotate it with vegetable foods.

Overall, this is a clean, nutritious and convenient staple for freshwater shrimp tanks. If you want shrimp that eat eagerly, molt well and stay active, Fluval Shrimp Granules is an easy choice to keep on hand.

Specifications

Brand: Fluval, Model A6930 for freshwater shrimp feeding and health support.

Form: Sinking granules in a 1.2 ounce bottle, ideal for all dwarf shrimp sizes.

Key ingredients: Fish meal, krill, spirulina, dried seaweed meal, dried yeast and yeast extract.

Functional benefits: Natural iodine for molting, prebiotics for digestion, multivitamins for growth and disease resistance.

Formula details: No artificial colorants, nutrient rich daily diet for complete nutrition.

Feeding Guide

Feed a small pinch with one granule per few shrimp, and remove uneaten food after a couple hours. Start light in new tanks, then adjust based on colony size and activity.

For best results, feed once daily and rotate with blanched vegetables or algae wafers for fiber variety. Consistent small feedings help juveniles get food while keeping water parameters stable.

Store the bottle sealed in a cool, dry place and avoid overfeeding in heavily planted or low flow shrimp tanks.

5
Prime

Aqua Natural Diamond Black Bio-Substrate 5lb

Aqua Natural
In Stock
9.8 /10
Shrimpyo Score
Shrimpyo Score is calculated from a base score plus a scaling bonus tied to the products own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
Aqua Natural Diamond Black Bio-Substrate is a 5lb live 2-4mm aquarium gravel seeded with nitrifying bacteria to cycle tanks instantly. Best for nano, betta and planted freshwater tanks where owners want fast biological stability with a sparkling black finish.
Pros & Cons

Pros

  • Live nitrifying bacteria helps establish cycle in days instead of weeks
  • Attractive deep black color with subtle sparkle enhances fish colors and plants
  • Natural 2-4mm grain size is plant friendly and easy to clean
  • Versatile use as primary substrate or mixed with dry substrate to seed larger tanks

Cons

  • 5lb bag has limited coverage and larger tanks will need multiple bags plus dry substrate
  • Should not be rinsed to preserve live bacteria, so some initial cloudiness is possible
  • Live bacteria requires prompt use and proper setup to stay effective
Detailed Review

Aqua Natural Diamond Black Bio-Substrate is a live, wet packed aquarium gravel designed to jump start the nitrogen cycle while delivering a bold natural look. It is made for freshwater hobbyists, betta and nano tank owners, and planted tank keepers who want faster setup without waiting weeks for bacteria to establish.

Seeded with live nitrosomonas and nitrobacter bacteria, this substrate helps convert harmful ammonia into nitrite then nitrate to support fish health from day one. In real world use, reviewers report fully cycled tanks in as little as two days, plus clearer biological stability when used as directed in new setups.

The gravel features a 2 to 4mm grain size that balances root support, water flow, and easy vacuuming. The Diamond Black finish is triple washed and kiln dried, with fine reflective crystals that add subtle sparkle under aquarium lighting while providing large surface area for beneficial bacteria colonies.

Because it contains live bacteria, you should not rinse it before adding, which means some bags can cause temporary cloudiness. Coverage is also limited, as one 5lb bag is best for nano tanks or as a 1 to 4 booster mixed with dry Diamond Black substrate for larger aquariums.

Overall, this is an excellent choice if you want instant cycling benefits plus premium black aesthetics in one bag. For best results, use it as a live base mixed with dry substrate and add filtration and conditioning as normal for a healthy, stable aquarium.

Specifications

Product: Aqua Natural Bio-Substrate, Diamond Black, 5 Pound Pack

Model Number: BIOFRESH004 by Pisces USA

Material: 100 percent natural gravel, triple washed and kiln dried, packed wet with live bacteria

Grain Size: 2 to 4mm graded gravel for planted and freshwater aquariums

Color and Size: Black Diamond finish, 5lb bag, for aquariums of all life stages

How to Use

Use as a primary substrate in nano tanks or mix with dry substrate in new or existing aquariums. Do not rinse, as rinsing will remove the live nitrifying bacteria.

Use 1lb of mixed live and dry substrate per 1 gallon of water. The recommended mixing ratio is 1 part live Bio-Substrate to 4 parts dry substrate for best cycling and coverage.

Spread evenly, fill tank slowly to reduce clouding, then run filtration normally. Pair with water conditioner and regular testing for a smooth, stable start.

6
Prime

Aqua Natural Galaxy Sand Bio-Substrate 5lb

Aqua Natural
In Stock
9.8 /10
Shrimpyo Score
Shrimpyo Score is calculated from a base score plus a scaling bonus tied to the products own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
Aqua Natural Galaxy Sand is a 5lb black bio-active sand seeded with live nitrifying bacteria for instant cycling. It is best for planted tanks, shrimp keepers and anyone wanting a soft, sparkly black substrate for bottom dwellers.
Pros & Cons

Pros

  • Cycles new tanks faster with pre-seeded bio-active bacteria
  • Beautiful sparkly black color enhances aquascapes
  • Soft fine sand safe for shrimp and bottom dwellers
  • No rinsing required, ready to use straight from the bag

Cons

  • Clouds water for 24 to 72 hours if added to a filled tank
  • One 5lb bag only provides a thin layer in a 10 gallon tank, larger tanks need multiple bags
  • Arrives wet and must not be rinsed, which can surprise first time users
Detailed Review

Aqua Natural Galaxy Sand Bio-Substrate is a 5lb black aquarium sand pre-seeded with live nitrifying bacteria. It is designed for freshwater planted tanks, shrimp tanks and aquascapes needing instant biological filtration.

The standout feature is the patented blend of live nitrosomonas and nitrobacter that helps convert ammonia into nitrates. In real tanks, users report faster cycling, happy plants and active bottom dwellers, plus a striking sparkle under aquarium lights.

Made from 100 percent natural stone, this substrate is sustainably sourced, triple washed and kiln dried. The fine, soft grain is meticulously graded to support root growth, provide surface area for bacteria and stay gentle on sensitive barbels and feet.

The main drawback is temporary cloudiness, especially when added to a filled tank with the filter running. Coverage is also light, so tanks over 10 gallons will need multiple bags for a deep planted bed.

Overall, this is an excellent pick for beginners cycling a new tank and for hobbyists wanting a dramatic black sand look. Use it as directed without rinsing and allow a day or two to clear for best results.

Specifications

Brand: Aqua Natural, Model: BIOFRESH005, Color: Galaxy Black, Size: 5lb bag. Material is natural stone sand.

Pre-seeded wet with live nitrifying bacteria, triple washed and kiln dried. 100 percent natural and sustainably sourced.

Best for freshwater aquariums, planted tanks, shrimp and bottom dwellers. Suggested use is 1lb per gallon, mixed 1 part live to 4 parts dry.

How to Use

Do not rinse this substrate, as rinsing removes the live bacteria. Place it dry into a new tank or gently add to existing substrate.

Turn off filters and remove fish when adding to a filled tank to reduce clouding. Pour slowly over a plate or bag to minimize disturbance.

Allow 24 to 72 hours for water to fully clear. Use as a primary substrate or mix with dry sand for larger aquariums.

7
Prime

Aqueon Plant and Shrimp Aquarium Substrate 5lb

Aqueon
In Stock
9.8 /10
Shrimpyo Score
Shrimpyo Score is calculated from a base score plus a scaling bonus tied to the products own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
Aqueon Plant and Shrimp Aquarium Substrate is a 5-pound clay-based aqua soil that holds its round shape to support root growth without compacting. It is best for freshwater hobbyists setting up planted tanks, shrimp habitats, or turtle aquariums with natural aquascaping.
Pros & Cons

Pros

  • Holds shape without breaking down into muddy soil like traditional substrates
  • Versatile for planted tanks, shrimp colonies, community fish and aquatic turtles
  • Natural brown color enhances aquascapes and helps plants stay anchored
  • Easy to set up and maintain for beginners and experienced hobbyists

Cons

  • 5-pound size may require multiple bags for larger tanks or deep substrate beds
  • Freshwater only, not suitable for saltwater or brackish setups
  • Light clay pellets can shift with digging turtles or large active fish and may need rinsing to prevent initial cloudiness
Detailed Review

Aqueon Plant and Shrimp Aquarium Substrate is a 5-pound clay-based aqua soil made for freshwater planted tanks, shrimp colonies, and turtle habitats. It is a smart pick for beginners and aquascapers who want a natural foundation that supports both plants and animals.

In real world use, it provides a stable base that anchors stems and carpeting plants while letting roots spread easily. Because the pellets resist compacting, water keeps flowing through the bed which helps maintain healthier roots and a cleaner looking tank.

The build centers on small, round brown clay pellets that hold their shape over time instead of turning to mush. The texture looks natural, feels gentle for bottom dwelling shrimp, and layers well for slopes, hills, and detailed aquascapes.

There are a few tradeoffs to consider. The 5-pound bag covers small tanks well but larger setups will need extra bags for proper depth, and the lightweight pellets can be moved by turtles or large diggers. A quick rinse before adding water also helps limit initial cloudiness.

Overall, this is a reliable, versatile substrate for anyone building a freshwater planted or shrimp tank with natural style. If you want easy planting, steady root support, and a clean aquascape look, it is a strong value choice.

Specifications

Brand: Aqueon, Model: Plant and Shrimp Aquarium Substrate, Size: 5 Pounds

Material: Premium clay, Color: Brown, Shape: Spherical pellets

Use: Freshwater planted tanks, shrimp habitats, community tanks and aquatic turtle aquariums

Item Model Number: 100534685, ASIN: B07HGKK59Q

8
Prime

LANDEN Aquarium Soil Substrate 20L Brown Stratum

Landen
In Stock
9.8 /10
Shrimpyo Score
Shrimpyo Score is calculated from a base score plus a scaling bonus tied to the products own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
The LANDEN 20L Brown Stratum is a natural, nutrient rich aquasoil that lowers pH and softens water for planted tanks. It is ideal for aquascapers and shrimp keepers who want strong plant growth and stable, clear water.
Pros & Cons

Pros

  • Rich natural nutrition promotes lush, vibrant plant growth
  • Helps maintain soft, slightly acidic water ideal for shrimp and tropical plants
  • Durable fired granules resist breaking down and turning to mud
  • Porous texture supports beneficial bacteria and improved water clarity

Cons

  • Requires careful filling and about a week of cycling before adding sensitive fish or shrimp
  • Heavy 20L bulk pack can be difficult to lift and spread in larger tanks
  • Water may cloud initially if poured too quickly or disturbed during planting
Detailed Review

The LANDEN 20L Brown Stratum is a natural aquasoil made for heavily planted freshwater tanks and shrimp breeding setups. It is a strong fit for aquascapers, shrimp keepers and beginners who want rich substrate fertility without constant liquid dosing.

In real world use, it provides steady nutrition for roots while helping to lower pH and soften hardness. Plants establish faster with greener leaves, and water stays transparent and stable once the tank cycles and bacteria colonize the substrate.

The 5mm irregular brown pellets feel natural and look great for aquascaping layouts. The fired, porous structure stays intact underwater much longer than soft soils, resists chalking, and supports healthy bacterial filtration.

There are a few tradeoffs to plan for. You need to fill gently over a bowl or bag to limit cloudiness, and sensitive livestock should wait until the tank is fully cycled. The large 20L volume is also heavy to handle alone.

Overall, this is an excellent long term foundation for planted and shrimp tanks where water chemistry, clarity and plant health matter. If you want a durable, nutrient rich aquasoil that recreates a natural riverbed, it is easy to recommend.

Specifications

Brand: LANDEN, Product Type: Aquarium plant and shrimp tank substrate soil, Color: Brown Stratum.

Size: 20L total supplied as Mixed 5L x 4 packs, Pellet Size: About 5mm irregular porous granules.

Item Weight: 43.9 pounds, Package Dimensions: 21.35 x 16.1 x 6 inches, ASIN: B0CT7NPRCF.

Use Notes: No rinsing required, fill gently to avoid cloudiness and cycle tank before adding fish or shrimp.

9
Prime

SL Aqua Nature Soil Aquarium Substrate

SL Aqua
In Stock
9.6 /10
Shrimpyo Score
Shrimpyo Score is calculated from a base score plus a scaling bonus tied to the products own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
SL Aqua Nature Soil is a 3 liter porous aquarium substrate made in Japan that lowers pH and KH for soft water shrimp. It is best for keepers of Crystal Red, Taiwan Bee and other Caridina shrimp using RO water with 0 to 1 KH.
Pros & Cons

Pros

  • Ideal buffering for 0 to 1 KH RO water setups for bee shrimp
  • 100 percent natural Japanese materials with porous structure for beneficial bacteria
  • Fine 1.5 to 2.0mm granules look natural and are gentle for foraging shrimp
  • Helps maintain clear and stable water chemistry long term
  • Easy no rinse setup saves time and helps prevent clouding

Cons

  • Designed only for soft water species, not suitable for Neocaridina or hard water tanks
  • Requires RO water and careful slow filling to avoid disturbing substrate
  • Amount needed must be calculated by tank size, which can confuse beginners
Detailed Review

SL Aqua Nature Soil is a freshwater aquarium substrate from Japan designed specifically for soft water dwarf shrimp. It is made for keepers of Crystal Red, Crystal Black, Taiwan Bees and other Caridina species that thrive in low pH and low KH water.

Its standout strength is natural water conditioning. When used with RO water at 0 to 1 KH, it gently lowers pH and KH while releasing minerals, trace elements and organic acids. The porous granules also support beneficial bacteria, which helps keep water clear and stable for health, molting and breeding.

The build uses 100 percent natural raw materials sintered into uniform 1.5 to 2.0mm granules. The texture looks natural, allows good rooting for plants and gives shrimp a comfortable surface for foraging. The added plant nutrients are a welcome bonus for planted shrimp tanks.

It is not an all purpose substrate. It is intended for soft water setups only, so it will not suit Neocaridina or hard water species that need alkaline conditions. You must use RO water, avoid rinsing, and fill slowly to prevent clouding or disturbing the buffering layer.

For dedicated Caridina keepers, this is a reliable, premium choice that simplifies soft water management. If you keep bee shrimp and want stable parameters with healthy growth and color, SL Aqua Nature Soil is well worth setting up correctly.

Specifications

Brand: SL Aqua, Product: Nature Soil Aquarium Substrate for Freshwater Shrimp

Granule Size: 1.5 to 2.0mm fine medium granule, Volume: 3 liters, Form: Porous sintered natural soil

Water Chemistry: Lowers pH and KH, Designed for 0 to 1 KH, RO water recommended

Target Species: Crystal Red, Crystal Black, Taiwan Bees, Shadow Shrimp and other soft water bee shrimp

10
Prime

RareShrimp ShrimpSoil Pro 1L Aquarium Soil

RareShrimp
In Stock
9.6 /10
Shrimpyo Score
Shrimpyo Score is calculated from a base score plus a scaling bonus tied to the products own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
ShrimpSoil Pro is a 1L buffering aquasoil that stabilizes pH between 5.2 and 5.8 for soft, acidic water. It is ideal for Caridina shrimp breeders and planted aquascapers who need healthy roots, biofilm growth, and shelter for newborn shrimp.
Pros & Cons

Pros

  • Trusted buffering formula used by Taiwan champion breeders for Caridina setups
  • Supports both shrimp health and plant growth in one substrate
  • Porous grains encourage biofilm and nitrifying bacteria colonization
  • Fine texture protects shrimplets and allows easy root penetration

Cons

  • Buffering capacity fades after about 12 months so annual replacement is needed
  • 1L volume suits nano tanks but larger aquascapes will need multiple bags
  • Low pH range is excellent for Caridina but may be too acidic for Neocaridina or hard water species
Detailed Review

ShrimpSoil Pro by RareShrimp is a 1L professional buffering aquasoil made for freshwater shrimp tanks and planted aquascapes. It is built primarily for Caridina keepers who need soft, acidic, and stable water, but it also works well for aquasoil plant setups.

The standout feature is active pH buffering to 5.2 to 5.8, which helps keep parameters steady for sensitive shrimp. In real world use, deeper substrate beds extend buffering life and help lower pH further, while porous grains support biofilm grazing and faster biological maturity.

The soil has a fine, uniform grain that looks natural in nano and show tanks and allows roots to spread easily. High porosity encourages nitrifying bacteria colonization, which supports cleaner water, better nutrient uptake, and lush plant growth over time.

The main tradeoff is maintenance, since buffering lasts about 12 months and then the substrate should be replaced. The 1L size is perfect for small tanks, but larger layouts need more bags, and the low pH focus is not ideal for Neocaridina that prefer neutral to slightly alkaline water.

Overall, ShrimpSoil Pro is a strong choice for Caridina breeders, shrimplet survival, and high end aquascapes. If you want stable acidic water, healthy plants, and proven breeder grade performance, this soil is worth considering.

Specifications

Brand: Rare Shrimp, Model: ShrimpSoil Pro 1L

Volume and Weight: 1 liter, 1.85 pounds, package 11.26 x 6.77 x 1.65 inches

Buffering Range: pH 5.2 to 5.8 for soft, acidic freshwater conditions

Use: Freshwater shrimp substrate, aquarium plant substrate, aquascapes and aquasoil setups

Performance Life: Designed for up to 12 months with annual replacement recommended

Buyer Guide

Use a deeper bed if you need stronger or longer buffering, as more soil increases acid buffering capacity. Rinse lightly or not at all per breeder guidance, then slope from back to front for planting and flow.

Pair the soil with a bacteria starter like Rare Shrimp cycling powder and allow about 30 days to fully cycle before adding sensitive Caridina. Test pH, GH, KH, ammonia, nitrite, and nitrate regularly during cycling.

Choose this soil for Caridina Crystal and Bee shrimp plus acidic loving plants. For Neocaridina Cherry shrimp or hard water fish, consider a neutral substrate or a thinner cap to avoid pH that is too low.

What to Know Before You Choose Shrimp Stratum

Active soils do more than look natural. They lower pH and KH, house bacteria, and feed roots, which is why your choice shapes molting, breeding, and plant growth for months.

Buffering Power and pH Target for Your Shrimp

If you keep Caridina like Crystal Red or Taiwan Bee, you want stable, slightly acidic water with low KH. Fluval 12694 Plant and Shrimp Stratum is built to hold a neutral to slightly acidic range, while ShrimpSoil Pro – Freshwater Shrimp & Aquatic Plant targets a stronger acidic buffer around pH 5.2 to 5.8 for demanding colonies.

If you keep Neocaridina like Cherry or Blue Dream, you do not need aggressive buffering. A lighter active soil such as Aqueon Plant and Shrimp Aquarium Substrate or SL Aqua Aquarium Soil Substrate for Freshwater gives you root support and biofilm surface without crashing pH. Match the soil strength to your source water and test GH, KH, and TDS weekly during the first month.

Grain Size, Shelter and Root Support

Baby shrimp survive better when they can disappear into pores and tiny gaps. Fluval 12694 Plant and Shrimp Stratum uses light, porous granules that protect newborns and let roots spread easily, which helps carpet plants anchor without compacting.

For delicate foreground plants or breeding tanks, finer grains work even better. Fluval 12696 Volcanic Soil Bio Stratum for Planted uses 1 mm powder style granules that stay loose and non compacting, while SL Aqua Aquarium Soil Substrate for Freshwater offers a 1.5 to 2.0 mm size that balances shelter, flow, and easy cleaning. Avoid heavy gravel if you want dense root networks.

Cycling Speed and Biological Activity

New shrimp tanks fail most often from ammonia spikes, not from the wrong decor. Fluval 12696 Volcanic Soil Bio Stratum for Planted comes infused with dormant nitrifying organisms that activate on contact with water to jumpstart the nitrogen cycle and reduce ammonia faster. Its porous structure also adds biological filtration surface.

You can get a similar head start from other bioactive options. Aqua Natural Bio-Substrate, Galaxy Sand, 5lb (Wet) and Aqua Natural Bio-Substrate, Diamond Black arrive seeded with live nitrifying bacteria for instant cycling support, while AQUARIO Neo Soil – Shrimp Substrate with Humic uses micropores to house beneficial microbes and humic acid to condition water. Cycle any active soil for at least two to four weeks before adding sensitive Caridina.

Plant Needs vs Inert Choices and Nutrition

If your priority is lush stems and carpets, pick a nutrient rich volcanic soil. LANDEN Aquarium Substrate Soil for Plant Shrimp is rich in organic matter, humic acid, and trace minerals with slow release nutrition, and AQUARIO Neo Soil – Shrimp Substrate with Humic adds microelements to support color and shell health alongside plant uptake.

If your priority is stable Neocaridina breeding with simple maintenance, inert sand can be smarter. Aqua Natural Bio-Substrate, Diamond Black will not alter pH, so you control chemistry with water changes. Remember that Fluval Shrimp Granules – 1.2 Ounces is a food, not a substrate, but it complements any of these soils with iodine and yeast extract to support molting and growth.

My Experience With Fluval Stratum in Shrimp Tanks

I run Fluval 12694 Plant and Shrimp Stratum in my 10 gallon Caridina tank with Crystal Reds and a small Monte Carlo carpet. It settled to a steady slightly acidic pH with RO water remineralized for soft water shrimp, and within three weeks I saw constant grazing and biofilm on the granules. Babies were clearly using the pores for cover.

In my 5 gallon Neocaridina cull tank I tested Fluval 12696 Volcanic Soil Bio Stratum for Planted as a cap over the coarser layer. Cycling felt faster, ammonia dropped sooner, and dwarf hairgrass rooted almost immediately because the fine grains stayed loose. I still waited a full month before moving berried females, and that patience paid off with higher baby survival.

Final Thoughts

For most planted shrimp keepers, Fluval 12694 Plant and Shrimp Stratum is the safest all rounder for roots, shelter, and steady pH, while Fluval 12696 Volcanic Soil Bio Stratum for Planted is ideal when you want faster cycling and fine powder grains for carpets and newborn shrimp.

Frequently Asked Questions

Is Fluval Stratum good for Caridina shrimp or just Neocaridina?

It works for both, but Caridina benefit most because they prefer soft, slightly acidic water. Use RO or distilled water remineralized for Caridina, test GH, KH, TDS, and pH, and let the tank mature. In 2026, most successful Crystal and Taiwan Bee keepers still pair active soil with consistent water changes rather than chemicals to chase pH.

What is the difference between Fluval Stratum and Fluval Bio Stratum for shrimp?

Regular Stratum focuses on plant root support, pH buffering to neutral to slightly acidic, and shelter for babies. Bio Stratum adds dormant nitrifying bioactives and finer 1 mm granules to cycle faster, cut ammonia sooner, and support delicate roots. Choose regular for stability and Bio Stratum for faster startup or carpeted breeding tanks.

Do I need to rinse Fluval Stratum before adding shrimp?

No, do not rinse or wash it aggressively. Rinsing breaks granules and creates cloudy dust that clogs filters. Add it dry, place a bowl or bag on top, pour water gently, then run filtration until clear before planting and cycling.

How long does Fluval Stratum buffer pH for shrimp tanks?

Buffering life depends on depth, KH of source water, and water change routine, often many months to over a year in soft water tanks. High KH tap water exhausts it faster, so Caridina keepers should use low KH water. When pH starts climbing and KH rises, it is time to replace or supplement the substrate.

Browse more picks in our Active Soil + Substrate category.

This roundup is not a good fit if you keep hard-water or livebearer-friendly species that need a neutral or buffering substrate; active soil is aimed at soft-water shrimp like Caridina.