Essential Sulawesi Shrimp Aquarium Supplies: What to Buy Before You Order

A Sulawesi shrimp aquarium needs six groups of supplies: an RO source and a Sulawesi specific mineral, test gear that reads TDS and carbonate hardness accurately, a reliable heater with an independent temperature check, inert substrate and alkaline rock, gentle filtration with strong oxygenation, and biofilm focused food with a timed light. Most standard shrimp equipment is the wrong equipment here, because these lake Caridina want warm, alkaline, mineral balanced water rather than the soft acidic water that Bee and Crystal shrimp need.

The reason the list looks unusual is the natural habitat of Sulawesi shrimp. Lake Towuti, one of the Malili lakes these shrimp come from, is ultra oligotrophic, weakly conductive at around 210 microsiemens per centimeter, close to circumneutral at about pH 7.8, and sits at roughly 28-31°C at the surface with very little variation.¹ You aren’t recreating a river or a blackwater tank. You’re recreating a warm, low nutrient, mineral specific lake, and the supplies exist to build that water and then hold it still.

What Supplies Does a Sulawesi Shrimp Tank Actually Need?

Every item below earns its place by doing one of six jobs. If a supply doesn’t build the water, hold the temperature, keep the chemistry from drifting, process waste, oxygenate, or grow food, it’s optional. Buy the essentials before you buy decor.

The target those supplies exist to hit is a narrow one, and it’s published in full on our Sulawesi shrimp care parameters guide. As a working summary: 79-86°F (26-30°C), pH 7.5-8.5, GH 4-8 dGH, KH 3-6 dKH, TDS 150-250 ppm, ammonia and nitrite at 0 ppm and nitrate held conservatively under 10 ppm. Treat those as typical reference ranges for the group and verify a specific species or listing before treating a narrower number as its exact requirement.

Build Sulawesi Water From RO Plus a Sulawesi Specific Mineral

This is the purchase that decides whether the tank works. Tap water is unsuitable in almost every case: it can carry chlorine, chloramine and copper, and its mineral balance won’t match these lakes even where the hardness number looks close. Start from RO or RO/DI water, then add back exactly what you want.

The mineral has to be a Sulawesi formula. A Neocaridina GH/KH booster or a Bee shrimp GH+ product carries a different mineral balance and will leave you with water that reads roughly right on one meter and behaves nothing like the lake.

Which Sulawesi Mineral Should You Buy, 7.5 or 8.5?

The two common formulas differ in the pH they buffer toward and in how much work they’re to prepare. Buy the one that matches the species you intend to keep and the effort you’re willing to put into mixing water every week.

How Do You Dissolve Sulawesi Mineral 8.5 Before It Reaches the Tank?

The 8.5 formula is the reason people buy an extra mixing container and an air pump they didn’t expect to need. Undissolved carbonate that lands on the substrate doesn’t remineralize anything. Prepare it outside the aquarium, following the manufacturer’s current instructions.

1. Mix outside the tank. Add the salt to RO water in a separate vessel, never straight into a stocked aquarium.
2. Add CO2 to help it dissolve. The manufacturer states the salt dissolves almost totally when CO2 is added for a few days, and that at a regular rate of about one bubble per second it dissolves fully in roughly 3-4 days.³
3. Aerate the CO2 back out. The same instructions require aerating the water afterward with an air stone for at least three hours to expel the CO2 before use.³
4. Test before it goes near livestock. Confirm pH, GH, KH and TDS on the finished water and match its temperature to the tank.

If that routine sounds like more than you want to run every week, that’s a genuine argument for choosing the 7.5 formula and a species it suits, rather than buying the 8.5 and preparing it badly.

Which Test Gear Confirms Your Sulawesi Water Hit Its Targets?

Buy the measuring tools at the same time as the minerals, not after the first loss. Test strips aren’t precise enough for water you’re building from scratch.

• A digital TDS meter, calibrated, for daily consistency checks.
• Liquid titration tests for GH and KH, because carbonate hardness is what holds your pH up.
• A pH test appropriate to the alkaline range you’re targeting.
• Ammonia and nitrite tests, which decide when the tank may be stocked.
• A nitrate test, so you can keep nitrate under 10 ppm in view.
• Don’t rely on strips alone, and don’t treat a product dose as evidence that the water is correct.

Which Heating and Temperature Safety Gear Does a Sulawesi Tank Need?

A Sulawesi tank sits at the warm end of freshwater keeping, so heating is about holding a steady value. Size the heater to your tank volume and room temperature using the manufacturer’s own guidance; we don’t publish a wattage, because the right figure depends on how cold your room gets and how well the tank is covered.

Buy a second, independent way to read the temperature. A heater’s built in thermostat is a single point of failure, and in water this warm a stuck heater has very little headroom before conditions become dangerous. An independent thermometer, or a separate controller that cuts power at a set maximum, is what turns a silent failure into something you notice. Whether you need a heater at all depends on your room rather than your climate, which we work through in Do Sulawesi shrimp need a heater.

A tight lid belongs in this section. Warm water evaporates quickly, and only the water leaves. The dissolved minerals stay behind and concentrate, so an open tank drifts upward in GH, KH and TDS week after week until molting becomes dangerous. A lid slows that drift, and pure RO top offs correct what’s left.

Buy Inert Substrate and Alkaline Rock for Sulawesi Shrimp, Not Active Aquasoil

The tank floor is a chemistry decision before it’s an aesthetic one. Inert materials leave your mineral work alone. Calcareous materials such as crushed coral or aragonite slowly release carbonate, which helps hold KH and pH at the top of the range. Both are appropriate. Active aquasoil isn’t.

Keep the layer thin. A shallow substrate is easier to siphon and gives fine waste nowhere to accumulate, which matters more here than in a cooler tank. Choose porous hardscape rock over smooth rock where you can, because the rock isn’t only structure; it’s the pasture.

Why a Sulawesi Shrimp Tank Needs Oversized Biology and Gentle Flow

This is the section where buying the obvious equipment goes wrong. The instinct is to buy a strong filter. What you actually need is a large amount of biological capacity moving very little water.

The chemistry drives the decision. The share of total ammonia present as free, un-ionized ammonia, which is the form most toxic to aquatic life, rises as pH and temperature increase, so ammonia criteria become more stringent at higher pH and temperature.⁴ A warm tank held at pH 7.5-8.5 is therefore far less forgiving of a small waste spike than a cooler, near neutral tank would be. Mature biological media and a genuinely cycled system are the answer, not a bigger pump.

Un-ionized ammonia

The more toxic form of ammonia. A larger fraction of the total ammonia takes this form as pH and temperature climb, which is why a warm alkaline tank needs more biological capacity than its size suggests.

Grazing surface

The biofilm and algae layer on rock, glass and filter sponge. In a Sulawesi tank this layer is the main food supply, so equipment that provides surface area is doing two jobs at once.

An air driven sponge filter is the workhorse purchase. It gives gentle movement, strong surface exchange, an intake that can’t draw in shrimplets, and a spongy surface that accumulates the biofilm the shrimp graze. Add porous biological media in a second chamber if you want more capacity. Warm water also holds less dissolved oxygen than cool water, so plan for good surface exchange. A filter alone may not cover it.

Which Food and Lighting Supplies Grow the Biofilm Sulawesi Shrimp Graze On?

In a Sulawesi tank the food budget mostly buys surfaces and time. These lakes are ultra oligotrophic, with very little dissolved nutrient available, and a mature grazing layer is what carries a colony between the occasional prepared meal. That makes the light and its timer a food supply, and makes the food jar a smaller purchase than new keepers expect.

Buy a biofilm booster or a fine powdered grazing food rather than high protein pellets meant for other shrimp, and buy less of it than you think. How much and how often to feed a stocked colony is its own subject, covered in what Sulawesi shrimp eat. Acceptance of prepared food varies by species, system and product, so watch your own tank to see whether these shrimp ignore or accept it.

Confirm Your Sulawesi Tank Is Ready Before You Order Shrimp

The final supply is patience, and it’s the one most often skipped. A tank with perfect equipment and no established grazing surface will still lose shrimp, because there is nothing for them to eat and no biological buffer under them.

Run through this before you place an order. If any line fails, the answer is to wait rather than to compensate with equipment.

• Ammonia and nitrite both read 0 ppm on a liquid test.
• Temperature holds inside 79-86°F (26-30°C) across a full day and night, confirmed on an independent thermometer.
• pH, GH, KH and TDS sit inside the group range and have stayed there across at least two prepared water changes.
• Rock and glass carry a visible grazing layer.
• You’ve prepared, tested replacement water ready before the shrimp arrive, not after.
• Don’t stock on a date because the calendar says the tank is old enough.

These are the supply mistakes we see repeat most often, and every one of them is cheaper to avoid than to fix.

• Reusing a Bee or Crystal shrimp setup. The active soil and the soft acidic target are the opposite of what this group needs, and success with Bee shrimp doesn’t transfer.
• Buying minerals without meters. A dose is a prediction. A tested result is evidence.
• Skipping the lid. Evaporation concentrates minerals and pushes TDS up quietly, week after week.
• Buying flow instead of biology. These shrimp graze in calm water, and warm alkaline water needs biological capacity far more than it needs current.
• Topping off with remineralized water. Replace evaporation with pure RO, or hardness climbs until molting becomes risky.
• Ordering livestock while the tank is still bare. A new tank has no grazing layer, and prepared food can’t substitute for a mature system.

When your water is built and holding, browse the current Sulawesi shrimp we’ve available, or email us your pH, GH, KH, TDS, temperature, tank size and cycle status at contact@shrimpaquatics.com and we will tell you honestly whether the setup is ready.

Two of those supplies deserve their own decision. The first is why Sulawesi shrimp need RO water at all, which comes down to what tap water carries in that no conditioner removes.

The second is whether Sulawesi Mineral 7.5 or 8.5 is the salt to mix it with, which depends on the pH you intend to hold.

References

4 Sources

1. Geomicrobiological Features of Ferruginous Sediments from Lake Towuti, Indonesia, Frontiers in Microbiology, accessed July 20, 2026.
2. Sulawesi Mineral 7,5 product information and instructions of use, SaltyShrimp, accessed July 20, 2026.
3. Sulawesi Mineral 8,5 product information and instructions of use, SaltyShrimp, accessed July 20, 2026.
4. Ammonia (CADDIS Volume 2), US Environmental Protection Agency, accessed July 20, 2026.