75 Gallon Tank, quite a few (30+) mollies, 4 cory cats, 2 chinese algea eaters, 2 clown loaches. 5 decent sized plants and very well filtered (Biowheel 330 and 170 and magnum 350 canister filter). 10% water changes done monthly. Water tests are in acceptable ranges. Ammonia below .25.
We're...