kinder7668
Member
tank was cycling nitrate was high and began to drop changed cc to sand nitrite and nitrate rose nitrate will not go away 3 weeks very high 50 ppm nitrite is at 0.05 what is going on here?????need help 65 gal ..wet/dry wth bioballs..also have canister filter tank has crab couple of damsels and snails in it want to get some fish its been 2 mos and i cant straighten this mess out does nitrite and nitrate both have to be at 0 to add fish????????