How to Acclimate Sulawesi Shrimp

Your Sulawesi shrimp are on their way, and the tank they’re heading for has to be ready before they are. Acclimating Sulawesi shrimp is mostly done before the box arrives: in a tank that’s already warm, alkaline, cycled and grazed over, you match the sealed bag to tank temperature, move the shrimp across without their transport water, and leave them alone. If the tank isn’t ready, no acclimation method will rescue the transfer, however slowly you go.

Is your Sulawesi tank ready to receive shrimp today?

Only if it already holds the band below on its own, without you touching it. Sulawesi shrimp are lake animals from a warm, alkaline, mineral-stable system, and they’re an advanced to expert group to keep. So settle that question before you think about drip lines and timers.

Those are typical ranges for the group, and a specific line or listing may come with a narrower range of its own. Treat them as the shape of the tank. Don’t chase them daily. What counts more than any single number is that the tank sits inside the band by itself, day after day, before there are any shrimp in it to worry about.

A calendar doesn’t prove a tank is cycled. Ammonia and nitrite at zero with an established biological filter does. A mature Sulawesi tank also needs visible grazing surfaces, because the algae and biofilm on the rock are what the shrimp will actually eat in their first week. Supplemental food can’t make up for a system that isn’t there yet. If your tank can’t hold that band steadily with nothing in it, fix the tank first and order tank-bred Sulawesi shrimp after. Watching an empty tank do nothing for weeks is dull, we know, but dull is exactly what you’re after.

• Ammonia and nitrite both read zero on a test done the day of arrival, not last week.
• Temperature has held steady inside 79-86°F (26-30°C), with a heater sized for the room’s coldest night.
• pH, GH, KH and TDS have been stable across at least two tests taken days apart.
• Rock and glass carry visible algae and biofilm, not a clean new surface.
• A tank set up last weekend, a tank still clearing, or a tank you’re still adjusting isn’t ready, whatever the test kit says today.

Prepare the Sulawesi water and the arrival kit before the box lands

Have two things standing by before you open anything: a small volume of prepared water that matches the tank, and a way to keep the shrimp warm while you work. You want the water because a transfer sometimes needs a top up, and mixing minerals into an aquarium that’s holding new arrivals is the opposite of the stability you’re trying to give them.

Match carbonate hardness on purpose, and don’t treat TDS as the only number that counts. Alkalinity is the water’s capacity to neutralize acids and hold a fairly stable pH. It comes chiefly from dissolved bicarbonates, carbonates and hydroxides, so water with higher alkalinity resists a pH change that would move lower-alkalinity water further.¹ That’s why the KH line in the table above isn’t decoration. It’s the part of your water that keeps the pH from moving while the shrimp settle.

Sulawesi remineralizers are made to be mixed outside the aquarium. SaltyShrimp Sulawesi Mineral 7.5, for example, states that it almost totally dissolves within seconds when added to water outside the tank and is ready for use immediately.² It also states that it buffers the pH at around 7.5 and raises carbonate and total hardness at a ratio of KH/dH = 0.42/1.0.² Those are that product’s own instructions, not a Shrimp Aquatics recommendation. Its buffering point sits at the bottom of the 7.5-8.5 band, so test the finished water to see where the dose landed, and follow the current instructions for whichever mineral you actually use.

• A few liters of prepared, tested water at tank temperature and chemistry.
• A clean, chemical-free container and a soft fine mesh net kept only for livestock.
• Test kits or meters for temperature, pH, GH, KH and TDS, already checked against the tank.
• A thermometer you can read in both the bag and the tank, so the comparison means something.
• A spare heater or a warm water bath if the room is cold and the transfer may take a while.

Open a Sulawesi shipment in a dim room and read the bag before you cut it

Unpack somewhere out of a draft, with the aquarium light off and the room lights low. Sulawesi shrimp are often shy, and a bright unpacking adds an avoidable stress on top of the trip they’ve just had.

Before you touch anything, look at the bag itself. Three questions decide what happens next. Is the bag intact and still sealed, or has it leaked? Is it a sealed transport bag or a breather bag, which exchanges gas through its wall and isn’t handled the same way? And what do the shrimp look like in there: still and clustered or moving, and has anything died in transit? Shrimp fresh out of transit are often motionless for a while, so don’t judge a shipment in the first minute, and don’t throw anything away on arrival day.

Match the temperature first, then move the Sulawesi shrimp without their transport water

Close the temperature gap first, because it’s the one difference you can close with the bag still shut. Float the sealed bag in the aquarium until the bag and the tank read the same on the same thermometer. Only then decide how the shrimp cross.

That wait can be almost nothing or quite long, and the bag’s size and starting temperature decide how long to acclimate Sulawesi shrimp at this stage. Read the thermometer, not the clock. The clock has never acclimated a shrimp.

1. Float the sealed bag in the tank and leave it alone until both read the same temperature.
2. Dim the room and switch the aquarium light off if it isn’t already off.
3. Open the bag and lift the shrimp out with a soft net, or pour the bag through the net into a container so the transport water is caught and never reaches the tank.
4. Keep the net under water as you release, lowering it beside rock or hardscape so the shrimp can walk off into shelter instead of drifting in open water.
5. Discard the transport water and anything it touched, then leave the tank undisturbed.

The last step is the one that doesn’t bend. Transport water carries the waste of a closed journey, and it never belongs in the aquarium, whichever way you move the animals. Handle the shrimp briefly and gently. When an order arrives in several bags, give the second one the same care as the first.

This protocol is written for eligible sealed-bag shipments. An open or leaking bag, a breather bag, fresh holding water from a local pickup, or a shipment you know nothing about is a different situation, and you should assess it on its own.

When drip acclimation fits a Sulawesi transfer, and when it doesn’t

Drip acclimation fits a short local move in fresh holding water, from a tank whose parameters you can actually read. That’s the case it was designed for. The chemistry gap is knowable, the water in the bag isn’t old, and a slow blend costs the shrimp nothing. It’s a real tool. It just suits some transfers better than others.

A multi-day sealed shipment is a different problem, and a longer time to acclimate Sulawesi shrimp isn’t automatically the safer choice. Warm water also works against a long, open container sitting in a cool room, because cold water can hold more dissolved oxygen than warm water.³ A small warm volume standing for hours isn’t a restful place to keep shrimp. If you do drip, keep the container thermally coupled to the tank and off the floor. Keep it short, too, so the shrimp aren’t sitting in cooling, standing water by the end.

For any transfer that isn’t one of our shipments, work out the answer before you start. What species is it, and how long was it in transit? What kind of bag is it, and what condition is it in? What temperature did it arrive at, and how far apart are the source water and yours? If you can’t answer those, ask the seller. If it’s our order, the instructions in the box are the current answer.

Leave the new Sulawesi shrimp alone while they find the grazing surfaces

The most useful thing you can do for newly moved shrimp is nothing. They usually head straight into the rock and stay out of sight, and that’s fine. Keep the light off or low for the first days and bring it back gradually. Skip maintenance inside the tank, and watch through the glass with the lid shut.

Don’t feed on day one. We know it’s tempting to drop something in when nobody’s showing up, but in a tank that was genuinely ready, the algae and biofilm on the rock are the food. That’s exactly why the readiness check earlier matters. Food added to a warm tank that nobody is eating from is waste the system now has to process, at the moment you least want the numbers to move. Wait until the shrimp are grazing in the open before you go back to a normal feeding routine, and take leftovers out.

• Adding food because the shrimp are hiding, which loads a warm tank at its most fragile moment.
• Chasing a small parameter reading with a correction, when stability is the thing you’re trying to give them.
• Counting shrimp with a flashlight every hour, which keeps the colony hidden longer.
• Topping up evaporation with remineralized water instead of plain RO water, which walks TDS upward over weeks.

The real verdict comes later, at the first molt in your water. So judge how long Sulawesi shrimp take to acclimate in weeks of grazing and shedding, not by the hour you spent on arrival day.

If Sulawesi shrimp are struggling after arrival, check these before you change anything

Sulawesi shrimp dying after introduction usually points to a water or maturity problem, not a disease, and the fastest way to make a bad week worse is to dose something. Start with observation and the test kit. Check ammonia and nitrite, then temperature and whether it has drifted overnight, then pH, GH, KH and TDS. Ask yourself how recently anything in the tank changed, and whether the behavior is the same across the whole colony or limited to one or two animals.

Copper and some fish medications can harm shrimp and snails, so nothing goes into the tank because a symptom looked familiar. We can’t diagnose a shrimp from a description, and neither can an article. If the picture is serious or you’re unsure, a qualified aquatic veterinarian or a local specialist is the right call.

You’re also welcome to write to us at contact@shrimpaquatics.com with your pH, GH, KH, TDS, temperature, tank size, how long the tank has been running and what else lives in it. Those numbers are what make the answer specific, so send them before you make a change.

References

3 Sources

1. Alkalinity and Water, U.S. Geological Survey Water Science School, updated August 24, 2026.
2. Sulawesi Mineral 7,5, Minerals and trace elements, SaltyShrimp (Garnelenhaus), manufacturer product information.
3. Dissolved Oxygen and Water, U.S. Geological Survey Water Science School, updated August 24, 2026.