Never test for it at all..Don't care what it is.....I dose 2 part solution once a week just because..the tank is what it is.....all alive and growing....you will drive yourself crazy trying to keep the tank in the perfect parameters...
in fact. my 2 nanos I don't dose anything..I do water changes once a month at best.....
in fact. my 2 nanos I don't dose anything..I do water changes once a month at best.....