yeah i know.. i just got the main fold to spilt the co2 to 2 tanks before my finals.. and then i was studying and now i can final spend some time building the bubble counters... but thanks again for the info
I had this very same trouble 4 months ago. Lost one blue ram and a shrimp. In this case, check your CO2 level and rectify it. Along with it, switch on airpumps to increase oxygenation and do a large water change. It helped prevented more casualties.