Hey guys Stocking question for a 30 gallon, PH7.6 I have a 30 gallon tank, probably running (after the cycle) for 2 months now. Sadly a disease killed off my fish and I am left with 1 swordtail 2 bosemans rainbow, 4 green emerald corys and a chinese algae eater. Went to my LFS today to see what...