Adrian Posted July 14, 2020 Report Share Posted July 14, 2020 I have blue dream shrimp in a 5 gallon tank. Every 1-3 days i lose 1 shrimp. Its a mature tank that has been going for about a year and a half so there is alge built up. I have a good amount of plants in there and my parameters go as follows... 79 degree water KH- 4 No2 Nitrate- 0 PH- 7.2 side note they like to hang around towards the top of the tank on the heater Quote Link to comment Share on other sites More sharing options...
Adrian Posted July 17, 2020 Author Report Share Posted July 17, 2020 Just got my TDS tester in the mail and the tank measures at 441ppm. seems way high so i did a 10% water change which took it down to 400ppm. how long should i wait before doing another water change? Quote Link to comment Share on other sites More sharing options...
BeetleNerd Posted August 28, 2020 Report Share Posted August 28, 2020 If you are in the northern hemisphere it could be increased summer temperature, lowering the oxygen content of your tank. The reason I suggest this is you mention your shrimp are hanging out near the surface. Add an extra airstone and remove some floating plants if they are really dense. You want the water surface to have movement as this is where most oxygen exchange occurs. The airstone wont add oxygen but will help with water circulation and will disrupt the water surface tension with the bubbles. Put it at the opposite end from where your normal filter is. I had a steady die off last summer but fixing my airation problem solved it. Quote Link to comment Share on other sites More sharing options...
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