littlenemo
Fishaholic
Ok so got a fully cycled tank all ok. Added about ten fry to my sump tank. A fish in main tank died I did test everything ok apart from an ammonia spike did 90 cent water change all ok. Another dead fish. Did test ph 6.6 nitrite blue 0 ammonia 0.5 why is this happening I have a 250 LRT tank with a massive sump full of pads balls etc.
