If you are comparing sl aqua soil vs ADA Amazonia for a shrimp tank, you are really deciding between a dedicated shrimp soil and a legendary planted tank soil. I have cycled both the ADA Aqua Soil Amazonia Ver 2 (9L) and the SL Aqua Aquarium Soil Substrate for Freshwater in shrimp setups, and they behave very differently after the first month. This head to head was updated in November 2026 to help you match the soil to your shrimp, not just your plants.
You want stable molting, active grazing and babies that survive, while still keeping plants rooted and colorful. That means looking past marketing and focusing on buffering style, granule texture, nutrient load and ease of setup. If you are still learning how active soils work, browse our Active Soil + Substrate guides first, then come back to this verdict for Caridina, Neocaridina and mixed planted shrimp tanks.
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Quick Picks at a Glance
Prime ADA Aqua Soil Amazonia Ver 2 9L Planted Aquarium
Prime SL Aqua Nature Soil Aquarium Substrate
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Pros
- Superior plant growth and vibrant color from nutrient rich black soil plus root focused supplement
- Buffers pH and softens water to create ideal conditions for plants, tetras, shrimp and other soft water species
- Less algae and cloudy water issues than Version 1 according to experienced users
- Natural dark look and ideal granule texture for aquascaping slopes, carpets and stem plants
- Easy to use for beginners building a fully planted tank
Cons
- Causes an initial ammonia spike for several weeks, so tank must be cycled before adding fish or shrimp
- Nutrient supplement pellets are potent and must be placed carefully under the soil to avoid excess nutrients
- Premium aquasoil with higher upfront cost and may need root tabs over time as nutrients deplete
ADA Aqua Soil Amazonia Ver 2 is a 9 liter planted tank substrate made from rare Japanese black soil, designed for Nature Aquariums. It is built for beginners and experienced aquascapers who want lush growth, vivid color and crystal clear water.
Standout performance comes from the separate bag of Amazonia concentrate supplement placed under the soil to feed roots without clouding the water column. In real tanks, it buffers pH to slightly acidic soft water, supports strong root growth and helps reds and greens look richer.
The granules have a natural irregular shape with ideal size and density for planting and for holding slopes. The deep black color creates sharp contrast against plants and fish while giving a natural riverbed look that stays attractive over time.
The main drawback is the initial ammonia release during the first few weeks, which requires fishless cycling and frequent water testing. New hobbyists may also find the concentrate pellets strong if overdosed, and carpeting plants still need good light, CO2 and maintenance to thrive.
Overall, Amazonia Ver 2 remains the benchmark aquasoil for high tech planted tanks with cleaner water and fewer algae issues than the original. If you want premium substrate that rewards proper cycling with thriving plants and fish, this is the one to buy.
Brand: ADA, Model: Amazonia Ver 2, Volume: 9 Liters, Weight: 7 kg. Style: Japanese black soil for freshwater planted aquariums.
Includes base black soil plus separate Amazonia concentrate supplement for targeted root nutrition. Granule structure is designed for root development, aquascaping and natural appearance.
Best for freshwater Nature Aquariums with aquatic plants and soft water tropical fish. Not intended for marine or hard water cichlid setups.
Rinse is not required. Place concentrate pellets on the tank bottom where heavy root feeders will grow, then cap fully with Amazonia Ver 2 soil.
Fill slowly to avoid disturbing the substrate, then cycle fishless for several weeks with regular water changes and ammonia testing. Add plants early and livestock only after ammonia and nitrite read zero.
Use good lighting, CO2 and filtration for best carpet growth, and recharge with root tabs over time as nutrients are consumed.
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
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.
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
How They Compare
Buffering and Water Chemistry for Shrimp
For buffering, both soils lower pH and soften water, but they do it with a different focus. ADA Aqua Soil Amazonia Ver 2 (9L) is built around rare Japanese plant based black soil and is described to naturally buffer and lower pH level and hardness to an ideal level for most aquatic plants. SL Aqua Aquarium Soil Substrate for Freshwater is explicitly formulated for freshwater dwarf shrimp and lists pH and KH lowering properties plus essential minerals and trace elements.
In practice, that difference matters for species choice. Keepers commonly report that shrimp specific soils like SL Aqua give a calm, predictable drop that suits Caridina and Taiwan bees without pushing plant growth too hard. Keepers commonly report that Amazonia type soils buffer strongly as well but release more organics early, so you should cycle thoroughly, test often and do regular water changes before adding sensitive shrimp.
Granule Size, Texture and Everyday Maintenance
Texture changes how your tank looks and how easy it is to keep clean. SL Aqua Aquarium Soil Substrate for Freshwater uses a fine 1.5-2.0mm medium granule that feels smooth, holds a neat slope and lets baby shrimp graze without falling into large gaps. ADA Aqua Soil Amazonia Ver 2 (9L) uses granules of size and density described as ideal for fast development of healthy plant root systems, with a natural irregular shape that produces a natural look.
If you keep heavy root feeders or stem plants, you will appreciate how ADA Aqua Soil Amazonia Ver 2 (9L) grips stems and lets roots spread quickly. If you keep mostly mosses, buce and slow growers with a breeding colony, you may prefer how SL Aqua Aquarium Soil Substrate for Freshwater stays tidy during siphoning and does not trap as much mulm. Both allow shrimplets to forage, but the finer SL Aqua bed feels a bit safer for tiny newly hatched babies.
Nutrients, Plant Color and Shrimp Safety
This is where sl aqua soil vs ADA Amazonia splits most clearly. ADA Aqua Soil Amazonia Ver 2 (9L) includes a separate bag of Amazon concentrate supplement rich in organic components and essential elements for local enhancements to match different layout patterns. That dark black base also contrasts well against leaf colors and makes greens and reds stand out. SL Aqua Aquarium Soil Substrate for Freshwater takes the opposite approach, focusing on stable, healthy and clear water with porous sintered structure and added minerals for shrimp health rather than pushing maximum plant growth.
For a high energy planted shrimp tank with CO2 and frequent trimming, ADA Aqua Soil Amazonia Ver 2 (9L) will usually grow fuller carpets and stronger stems. The tradeoff is more early organics to manage and a higher chance of algae if you overlight an immature tank. SL Aqua Aquarium Soil Substrate for Freshwater is leaner and calmer, which many breeders prefer because babies graze biofilm instead of dealing with melting leaves and fluctuating water. Choose richness or stability based on your main goal.
Setup, Rinsing and Beginner Experience
Setup ease favors SL Aqua slightly, but both are beginner friendly when you follow the right steps. SL Aqua Aquarium Soil Substrate for Freshwater states rinsing is not required, so you can add it dry, slope it, place a plate and fill slowly to keep dust down. ADA Aqua Soil Amazonia Ver 2 (9L) is described as ideal and easy to handle for beginners seeking a beautiful fully planted aquarium with crystal clear water, though you still need to handle the separate supplement bag and plant carefully to avoid crushing pellets.
Community feedback reflects that ease. ADA Aqua Soil Amazonia Ver 2 (9L) carries a 4.7 out of 5 rating from 294 reviews, which shows broad trust from planted tank keepers. SL Aqua Aquarium Soil Substrate for Freshwater carries a 4.4 out of 5 rating from 3 reviews, a much smaller sample that still points to solid results for shrimp focused users. If you want the more premium choice with deeper planted tank support, lean ADA. If you want a simpler shrimp first start, lean SL Aqua. You can compare long term care tips in our Active Soil + Substrate section.
Which One Should You Get
Choose ADA Aqua Soil Amazonia Ver 2 (9L) if you run a planted shrimp tank where plants come first and shrimp come second. You will love it for aquascapes with carpeting plants, stems and root feeders, for dark contrast that makes shrimp and leaves pop, and for strong root development. It suits Neocaridina in planted community tanks and Caridina keepers who are comfortable cycling thoroughly, testing and managing early nutrients for long term plant payoff.
Choose SL Aqua Aquarium Soil Substrate for Freshwater if you run a breeding first tank where stable molts and babies matter more than explosive plant growth. You will appreciate the shrimp specific formula, the fine 1.5-2.0mm granules, the pH and KH lowering help, and the no rinse start that keeps setup calm. It suits Caridina, Taiwan bees and sensitive colonies, plus low tech shrimp tanks with mosses, anubias and buce where clean water beats heavy feeding.
My Experience
I have used both, but my Taiwan bee tank still runs on SL Aqua Aquarium Soil Substrate for Freshwater because I wanted a calm start and easy maintenance. I added it without rinsing, filled over a plastic lid and saw clear water within a day with only light dust, then cycled with botanicals before adding shrimp. My planted office tank runs ADA Aqua Soil Amazonia Ver 2 (9L) with the concentrate dotted under swords and crypts, and root growth was visibly faster with that deep black contrast I love for photos.
Who Should Skip Both
If you keep only hard water Neocaridina in tap with high KH and you do not want to fight your source water, active soil is not ideal for your setup. Both ADA Aqua Soil Amazonia Ver 2 (9L) and SL Aqua Aquarium Soil Substrate for Freshwater will pull pH and hardness down and exhaust faster when you constantly refill with hard water. You would be better served with inert sand or gravel plus a mineral supplement, which you can explore in our Active Soil + Substrate archive before spending on buffering soil.
Frequently Asked Questions
Can I use ADA Amazonia Ver 2 for Caridina shrimp or is SL Aqua safer?
Yes, you can use ADA Aqua Soil Amazonia Ver 2 (9L) for Caridina if you cycle fully and confirm stable parameters before adding shrimp. SL Aqua Aquarium Soil Substrate for Freshwater is formulated specifically for dwarf shrimp, so many breeders find it simpler and calmer for sensitive Taiwan bees.
Do I need to rinse SL Aqua soil or ADA Amazonia before adding water?
SL Aqua Aquarium Soil Substrate for Freshwater states rinsing is not required, so add it dry and fill slowly over a plate or bag to limit clouding. ADA Aqua Soil Amazonia Ver 2 (9L) should also not be rinsed hard or crushed, just scape it gently, add the concentrate where needed and plant carefully.
Which is better for a planted shrimp tank, sl aqua soil vs ADA Amazonia?
For heavy planting with carpets and stems, ADA Aqua Soil Amazonia Ver 2 (9L) usually wins because of its rich base and separate concentrate for root zones. For breeding focused tanks with mosses and slow growers, SL Aqua Aquarium Soil Substrate for Freshwater often wins because it prioritizes clear, stable water and easy grazing.
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