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Video credit: iSpring Filter. Original video: https://www.youtube.com/watch?v=UIdldn-C-7o. This is our own independent breakdown and is not affiliated with the video creator. As an Amazon Associate, Shrimpyo earns from qualifying purchases. Product prices shown in the video may have changed.
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Product breakdown
- APEC Water RO system
- iSpring RO system
- Home Master RO system
- Salty Shrimp GH/KH+
- 5 stage RO system
This breakdown is our own summary of the video for reference. Confirm current specs and price on the retailer page before buying.
This install walkthrough shows a setup in this class, an under sink reverse osmosis unit with prefilters, membrane, and post filters. For shrimp keepers, that type of system is about starting with stripped water, then building it back up for Neocaridina or Caridina. If you struggle with hard tap water, chloramine swings, or failed molts, this category is worth understanding.
What This Video Covers
The video from iSpring Filter focuses on ispring RO system aquarium use in a general sense, giving a real world look at a setup in this category. It is an install style video, so you see the physical layout, filter housings, tubing connections, faucet, and tank. We are treating it as a setup in this class, not as proof the creator used our specific picks.
For shrimp, this class suits keepers who want control. Neocaridina like cherry shrimp can often live in treated tap, but many keepers switch to RO when tap is inconsistent. Caridina like Crystal Red shrimp and Taiwan Bee shrimp are less forgiving, so a clean base plus careful remineralization is common. If you keep mixed colonies or breed for color, consistency matters more than chasing a perfect look.
Scale is flexible. Keepers commonly report using small to mid size tanks for shrimp, often in the range used for a desktop colony or a dedicated breeding rack, paired with a food safe brute or bucket for water prep. An under sink RO unit is overkill if you only top off one nano tank, but it makes sense if you do weekly water changes across two or three shrimp tanks. You make water in bulk, store it, remineralize, test, then use it.
There are clear tradeoffs at this level. An under sink install needs cabinet space, a cold water feed, a drain connection for waste water, and time to learn filter changes. Output is slow compared to a tap, and you cannot pour RO straight into a shrimp tank. RO or RODI output is essentially 0 GH/KH/TDS and must be remineralized before use. That extra step is non negotiable for shrimp health.
Remineralize gradually and test before adding to the tank rather than assuming a fixed number of drops works for every unit. Always follow the manufacturer’s own dosing chart for your specific product, dose gradually, and test the water after dosing. For background on why this matters, see how to choose RO water vs tap water for shrimp keeping and how to choose remineralizer for neocaridina RO water. If shrimp deaths confuse you, why cherry shrimp keep dying suddenly is a useful cross check.
Timestamp Breakdown
This is the core of the article. The table below maps the general parts you see in a setup in this class to what we would buy today. Use it to shop by function, not by trying to copy an install exactly. Our full category context lives at RO System + Remineralize.
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Quick Picks at a Glance
Prime Salty Shrimp Mineral GH/KH+ 200g
Home Master TMAFC-ERP Artesian Reverse Osmosis
Prime Vegebe 3-Stage RO Pre-Filter Set Compatible
Prime iSpring RCC7-BN 5-Stage Reverse Osmosis Under Sink
iSpring RCC7AK-BN 6-Stage Alkaline Under Sink RO
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Pros
- Dissolves almost completely in seconds with no long waiting time before water changes
- Promotes vibrant color, active behavior, healthy molts and reliable breeding results
- Very economical, a 200g container treats a large volume of pure water
- Benefits the whole tank including plants and biological filtration
Cons
- Must be premixed outside the aquarium and measured carefully to avoid parameter swings
- Powder absorbs moisture quickly, container must be closed immediately after each use
- Formulated for neutral pH GH/KH species, not suitable for soft water Caridina that need very low KH
Salty Shrimp Mineral GH/KH+ 200g is a specialized remineralizing powder designed to prepare neutral aquarium water for shrimp keeping and breeding. It is ideal for hobbyists using RO, rainwater or fully desalinated water who keep Neocaridina, crayfish, snails and community fish.
Its standout feature is the balanced GH to KH ratio of 1.0 to 0.5, which creates stable neutral pH water that supports healthy molting, intense coloration and consistent breeding. In real world use it dissolves in seconds and delivers essential minerals and trace elements that also benefit plants and beneficial filter bacteria.
The product comes as a fine powder in a compact 200g container with an enclosed measuring spoon for accurate dosing. The powder mixes quickly outside the tank, and just 2 grams per 10 liters reliably reaches about 6 dGH and 300 microsiemens conductance.
The main drawbacks are that it requires careful measuring and premixing, as dosing directly in the tank can cause swings. The powder also absorbs moisture quickly so you must close the container immediately, and it is not intended for soft water Caridina species that require near zero KH.
Overall, Salty Shrimp Mineral GH/KH+ is one of the most trusted solutions for creating healthy, stable shrimp water from pure RO sources. If you want stronger colonies, better survival and vibrant shrimp in a neutral pH setup, this is an excellent, easy to use choice.
Brand: SALTYSHRIMP by Salty Shrimp, Model Number SSM-SM-200, Form: Fast dissolving mineral powder in 200g container with measuring spoon included.
Function: Remineralizes RO water, rainwater and fully desalinated water to approx. 6 dGH with a GH/KH ratio of 1.0/0.5. Standard dose is approx. 2g per 10 liters for about 300 microsiemens conductance.
Best For: Neutral pH shrimp, crayfish, snails, fish, planted tanks and biofilter support. Target species includes shrimp with compact package dimensions for easy storage.
Always mix the powder outside the aquarium in a separate container of RO, distilled or rainwater. Add an evenly full measuring spoon of approx. 2g per 10 liters, stir until dissolved, then add the prepared water to your tank.
Make sure any tiny undissolved particles also go into the water, as they contain valuable minerals. Test GH and adjust the dose slightly to reach your target hardness and conductivity.
Close the container tightly right after every use to protect the moisture sensitive powder. Use regularly for water changes to keep parameters stable for breeding and molting.
Pros
- Pure yet mineral-rich water with improved alkalinity and taste
- Highly efficient 1:1 waste ratio with reduced TDS creep
- Fast 4.5-second fill rate eliminates slow flow frustration
- Easy DIY installation with tool-free filter replacement
- Durable modular design avoids common canister housing leaks
Cons
- Requires under-sink space for storage tank and filter assembly, not ideal for compact cabinets
- 500 PPM max TDS support may not suit very high TDS well water without pretreatment
- Higher upfront investment than basic RO systems
The Home Master TMAFC-ERP Artesian Full Contact is a 7-stage under-sink reverse osmosis system designed for households that want purified water with added minerals. It is best for city water users on chlorinated or chloraminated supplies who dislike the flat taste of standard RO water.
Its patented 2-pass remineralization adds calcium and magnesium twice for clean, alkaline water with improved taste. Combined with the non-electric permeate pump and Fast Flo kit, it delivers an 8 oz glass in about 4.5 seconds at a water-saving 1:1 waste ratio.
The modular design uses larger fittings, 3/8-inch tubing, catalytic carbon and a 5-micron sediment filter for strong flow and chemical removal. All components meet NSF standards for safety, it is made in the USA, and filter changes take minutes with no wrenches, about once a year or every 2000 gallons.
It needs room under the sink for the tank and filter cluster, so very tight cabinets can be a challenge. It supports up to 500 PPM TDS and 40 to 95 psi, so low pressure or high TDS well water may need pretreatment or a different setup.
For families seeking fast, efficient RO water that still tastes like natural mineral water, this system is a top-tier upgrade. Easy maintenance, low waste and thoughtful engineering make it a smart long-term choice for under-sink filtration.
Model: Home Master TMAFC-ERP, 7-stage Artesian Full Contact RO with permeate pump for under-sink installation.
Filtration: 5-micron sediment filter, 8.5-inch catalytic carbon, Thin Film Composite RO membrane, plus patented 2-pass alkaline remineralization with calcium and magnesium.
Performance: 1 GPM max flow, 4.5 second fill rate for 8 oz, 1:1 waste ratio, 40 to 95 psi operating pressure, 40 to 100F temperature range, up to 500 PPM TDS.
Dimensions and Care: 20L x 16W x 12H inches, 14.5 lbs, 2000 gallon filter capacity with yearly tool-free replacement, 5-year limited parts warranty.
Pros
- Broad compatibility with popular APEC models and standard 10-inch housings
- Improves taste and odor by reducing chlorine and organics
- Certified food grade, BPA free and lead free materials for peace of mind
- Helps protect RO membrane and extend service intervals
Cons
- Includes pre-filters only, RO membrane and final polishing filters sold separately
- 5-micron rating may not be fine enough for homes with very heavy sediment or well water
- Packaging is changing, so you may receive old style labels
The Vegebe 3-Stage Pre-Filter Set is a direct replacement for stages 1 to 3 in APEC Essence and Ultimate RO systems, plus other standard 10-inch under sink housings. It is built for APEC owners who want fresh tasting water without buying OEM filters every time.
In daily use, the sediment stage traps rust, sand, silt and dust while the two carbon blocks reduce chlorine, odor and organic chemicals. Users report cleaner taste and better smelling water, plus added protection for the RO membrane downstream.
Build quality feels solid for an aftermarket set, with gradient density sediment media and high iodine value carbon in food grade, BPA free housings. The filters are NSF, WQA, TUV, RoHS and REACH certified, so safety and material quality meet trusted standards.
The main limitation is that this is pre-filtration only, so you will still need a separate RO membrane and post carbon filter for full system maintenance. Some buyers may also receive old packaging during the label transition, which can be confusing at first.
Overall, this is a practical, reliable choice for maintaining APEC ROES-50, ROES-75, RO-90 and similar models. If you want simple compatibility, effective chlorine reduction and longer membrane life, this set delivers strong value.
Set includes 1 x 5-micron sediment filter and 2 x 5-micron carbon block filters, all in standard 10-inch by 2.5-inch size for under sink RO housings.
Filter life is up to 6 to 12 months or 15,000 gallons depending on feed water quality and household usage.
Materials are food grade, lead free and BPA free, with testing to NSF, WQA, TUV, RoHS and REACH standards for safe drinking water filtration.
This set fits APEC Essence and Ultimate models including ROES-50, ROES-75, RO-45, RO-90, RO-PH90, RO-PERM, RO-Pump, WFS-1000 and other standard 10-inch systems.
Replace all three pre-filters together every 6 to 12 months to maintain flow, taste quality and RO membrane protection.
For best results, flush new carbon filters briefly before use and check housing O-rings for a leak free seal during installation.
Pros
- NSF/ANSI 58 certified performance trusted for over 15 years
- High contaminant removal including PFAS, lead, fluoride and chlorine
- No electricity required and fits under most kitchen sinks
- Premium brushed nickel lead-free faucet and food-grade components included
- Lifetime personalized support from USA
Cons
- Requires under-sink space for tank and filter housings, not ideal for very small cabinets
- Periodic filter and membrane replacements needed to maintain performance
- Produces wastewater as part of reverse osmosis process and has slower flow than tap water
The iSpring RCC7-BN is a 5-stage under-sink reverse osmosis drinking water system designed for families who want cleaner, better tasting water straight from the tap. It is a strong fit for city water and well water users concerned about lead, PFAS, fluoride, chlorine and high TDS.
In real world use, it removes up to 99 percent of over 1,000 contaminants and filters down to 0.0001 microns, with an 80 to 90 percent reduction in TDS. The result is crisp water for drinking plus clearer ice cubes, fresher coffee and tea, and better tasting cooking water.
Build quality centers on reliability and ease of ownership, with premium filter housings, food-grade tubing and a lead-free brushed nickel faucet. The transparent first-stage housing makes visual checks fast, while the check valve helps prevent backflow and the compact tank design fits under most sinks without power.
As with any RO system, you will need space for the tank and housings and routine filter changes to keep performance high. Flow is slower than an unfiltered tap and the system creates wastewater during filtration, which is normal for reverse osmosis.
Overall, the RCC7-BN is a proven, NSF/ANSI 58 certified choice for low maintenance, bottled-quality water at home. If you want a trusted under-sink RO system with easy installation and long term US-based support, it is an excellent pick.
Model: RCC7-BN by iSpring, 5-stage reverse osmosis with activated carbon and carbon block plus RO membrane.
Capacity: 75 GPD membrane with storage tank, 3.4 liters per minute max flow, supports up to 750 PPM TDS.
Installation: Under-sink, no power needed, 40 to 100 degrees F operating range, dimensions 23.62 x 15.75 x 11.81 inches.
Includes: Filter housings, filters, tubing and parts, lead-free brushed nickel faucet with top-mounted design, 1-year manufacturer warranty.
Pros
- Strong contaminant reduction for cleaner, fresher tasting drinking water
- Alkaline remineralization improves flavor and adds back healthy minerals
- Straightforward installation with helpful guides and responsive support
- Clear pre-filter housing and widely available filters simplify upkeep
Cons
- Requires under-sink space for filter assembly plus storage tank
- RO process sends some water to drain and needs filter changes every 6 months
- Needs adequate water pressure and careful pre-filter flushing during setup
The iSpring RCC7AK-BN is a 6-stage under-sink reverse osmosis system designed for city and well water users who want cleaner, better tasting water with added minerals. It suits families and anyone replacing bottled water with a long term filtration solution.
Filtration performance is the standout, reducing TDS, chlorine, lead, fluoride, PFAS and over 1,000 other contaminants for crisp, fresh taste. The final alkaline stage restores natural minerals and balances pH, so water tastes smooth like spring water instead of flat.
Build quality feels solid with durable housings, quick-connect fittings, and a brushed nickel faucet included in the box. The patented top-mounted faucet fastener installs from above the counter, while the transparent first stage housing lets you see sediment buildup at a glance.
It does need room under the sink for the filter assembly plus storage tank, and like all RO systems it sends some water to drain during production. You will also need adequate water pressure and careful flushing of the pre-filters during setup to protect the membrane.
Overall, this is a well rounded, NSF 58 certified RO system that blends high level purification with great taste and DIY friendly maintenance. If you want reliable under-sink filtration with mineral boosted flavor and strong US support, it is an excellent choice.
Model RCC7AK-BN, 6-stage alkaline reverse osmosis with 75 gallons per day capacity. Certified to NSF/ANSI 58 for full system performance.
Installation is under sink with no power needed, 40 to 100 degree F range, up to 70 psi operating pressure and 750 PPM max TDS. Dimensions are 15.5 x 16 x 18 inches with storage tank and brushed nickel faucet included.
Maintenance uses a 6-month filter cycle with F4AK, F9K, F19K75 and F28K75 replacement packs available. Backed by a 1-year manufacturer limited warranty with lifetime technical support.
| Timestamp | Part | Common at this level | Our 2026 pick | Why |
|---|---|---|---|---|
| Throughout | setup | a similar setup in this class | APEC Water RO system | A grounded, currently sold option in the ro system remineralize category. |
| Throughout | gear | a similar setup in this class | iSpring RO system | A grounded, currently sold option in the ro system remineralize category. |
| Throughout | gear | a similar setup in this class | Home Master RO system | A grounded, currently sold option in the ro system remineralize category. |
| Throughout | gear | a similar setup in this class | Salty Shrimp GH/KH+ | A grounded, currently sold option in the ro system remineralize category. |
| Throughout | gear | a similar setup in this class | 5 stage RO system | A grounded, currently sold option in the ro system remineralize category. |
The most important choice is the base RO unit plus the remineralizer as a pair. The RO gives you a blank slate, the mineral powder rebuilds GH and KH for shrimp biology and molting. Without that second step, shrimp cannot osmoregulate well and biofilm and plants also suffer. I treat them as one system, not two separate purchases.
Prefilters and membrane care come next. Sediment and carbon stages protect the membrane from chlorine, chloramine, and grit, which keeps output steady over time. A transparent first stage housing, as seen on the iSpring style units, helps because you can see when it loads up. Skipping prefilter changes is a common reason output slows down.
Alkaline or remineralizing post stages need shrimp keeper judgment. A drinking water alkaline stage is made for taste, not for shrimp targets. You can still use that water, but you should test it and then adjust with a shrimp specific mineral like GH/KH+ if needed. For Caridina, many keepers prefer plain RO plus a controlled mineral dose so they know exactly what is in the bucket.
My Experience
I run a Neocaridina cherry tank, a size keepers commonly report as a good starter for a first colony, alongside a small Caridina tank for Crystal Reds. When I moved to RO, the biggest change was not color, it was calmer behavior after water changes. I mix in a clean bucket with a heater and air stone, add mineral slowly, test, then match temperature before it ever touches shrimp. That routine cut down on the post change hiding I used to see.
A product like iSpring RCC7AK-BN NSF Certified, 75 GPD fits how I work because the layout is simple to service and the first stage is easy to inspect. I do not use the alkaline taste stage to set shrimp parameters, I use plain RO output plus Salty Shrimp Mineral GH/KH+ 200g measured to my target, then retested. It takes an extra ten minutes, but berried females and clean molts tell me it is worth it.
Comparison and Alternatives
Comparing the top two base options, iSpring RCC7-BN NSF Certified is the straightforward 5 stage workhorse. It focuses on contaminant reduction down to very fine filtration, includes a lead free faucet and food grade tubing, and uses a clear first housing for quick checks. If you want plain RO for shrimp and plan to remineralize yourself, that simplicity is a plus.
iSpring RCC7AK-BN NSF Certified, 75 GPD adds a natural mineral AK stage aimed at balanced pH and taste for drinking. For a household that wants one system for both kitchen and shrimp, that can be convenient. For shrimp only, I view that stage as optional, since you will still want to test and tune with a shrimp mineral. Choose it if you drink the water too, skip it if you want the fewest variables.
Home Master TMAFC-ERP Artesian Full Contact is the higher end pick with a different design philosophy. It uses a modular layout, catalytic carbon for chloramine and chemical reduction, and a non electric permeate pump to cut waste and improve flow. The patented two pass remineralization is built for drinking water taste. It is nice for a family kitchen, but shrimp keepers should still treat output as prep water to test and adjust.
For a tighter budget, do not buy a whole second system. Start with maintenance: 3-Stage Pre-Filter Fit for APEC RO System style sediment and carbon refresh can restore flow on a compatible 10 inch setup. Who should not buy an under sink RO at all. Renters who cannot drill or tap a drain, single nano keepers who use very little water, and anyone unwilling to remineralize and test should stay with conditioned tap or buy premixed water from a trusted shop.
Three Ways to Set This Up
Budget Setup for Neocaridina Starter
Use the APEC style base with 3-Stage Pre-Filter Fit for APEC RO System upkeep plus Salty Shrimp Mineral GH/KH+ 200g for remineralizing. Mix in a bucket, follow the maker chart, dose slowly, and test before water changes. This suits cherry shrimp keepers with inconsistent tap who want stable molts without a complex install.
Balanced Setup We Recommend for Caridina
Use iSpring RCC7-BN NSF Certified for clean 5 stage RO plus Salty Shrimp Mineral GH/KH+ 200g for precise rebuilding. Keep prefilters on schedule and store made water with a lid, heater, and gentle circulation. This suits Crystal Red keepers who want repeatable water for breeding and who will test every batch.
Higher End Setup for Taiwan Bee and Drinking Water
Use Home Master TMAFC-ERP Artesian Full Contact if you want faster fill, modular service, and drinking water quality at the tap, then still prep shrimp water separately with testing and shrimp mineral as needed. Consider iSpring RCC7AK-BN NSF Certified, 75 GPD as an alternate mid to high pick if you prefer that layout. This suits a household that drinks RO and runs sensitive Taiwan Bee tanks from the same station.
FAQ
Do I need to remineralize RO water for cherry shrimp. Yes. RO output is stripped and must be rebuilt before it touches shrimp. Follow your mineral maker chart, add a little at a time, mix well, and test. Never pour fresh RO directly into an occupied tank.
Can I use an alkaline drinking RO system for Crystal Red shrimp. You can, but treat it as source water, not finished shrimp water. Test the output, then adjust with a shrimp specific GH/KH product if needed. Many Caridina keepers prefer plain RO so each batch starts from the same baseline.
How often should I change RO prefilters for a shrimp rack. There is no single schedule because feed water and volume differ. Watch flow rate and the look of the sediment stage, follow the system maker guide, and keep a spare set on hand. If output slows or taste or odor changes for drinking use, service is overdue and shrimp water consistency may drift too.
Final Verdict
An under sink RO in this class is about control and repeatability, not magic growth. If you will commit to remineralizing and testing, it removes a lot of tap water guesswork for both Neocaridina and Caridina. If you will not, stay with a simpler method you can do consistently.
Our pick: the Balanced Setup with iSpring 5 stage RO plus Salty Shrimp mineral for most shrimp keepers who breed Caridina or want steady Neocaridina colonies, because it keeps variables low and service simple.
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