crashing

Hello friends, I set up one 80 liters tank at 01/16 and I started to cycle. Setup: Basalt, 1 tetra wishper 30 filter, 1 thermostat adjusted to 34 celcius, PH 7 1 artificial ceramic(decoration) and 1 trunk (bought after measure ph near from 8) On day 17, I started adding Stability (daily at the...

Hello all.  This may or may not sound like an emergency, but I've never had this happen.   Heres the back story, you can skip it, but it may help determine whats wrong:   Okay, so I recently got 5 mollies from my LFS and they said they'd be fine in a 10 gallon.  Next day theres 30 fry, and 30...