1st off, thanks in advance for your advice.
I have a 55g, planted, ~25 platies, 7 Amano Shrimp, 3 albino cories, 1 BN pleco, dwarf sag, and amazon swords, and wisteria. I have two Sunsun HW-302 canister filters, one 200W heater, one 300W heater set at 76 degrees, I dose Flourish Excel and...