SuperSaltwater
New member
got GHA issue. reading 0 nitrite 0 nitrate and 0 ammonia. i lowered light hours manually cleaned the entire tank took forever. is it ok to use PHOSGUARD and PURIGEN with 0 nitrite, nitrate and ammonia? dont want to kill my sps and other corals. what tips do you got to get rid of this stuff, its slowly killing all my zoas.....:uzi: