if the only problem you seem to be having is nitrates. everything else is good. do i just keep changing water everyweek. its a 55 gallon. 2 damsels, 2 either percula or osc clowns im not sure the lf really knows. 2 peppermint shrimp. and a blue tang. ya i know its not big enough, im working on that right now. regular hoods with 18" power glow bulbs. just keep changing water???????
