I have had my tank running for a about 10 days I used live sand and live rock from an already set up tank. I have added snails and crabs and just tested and my no2 no3 are zeros would it be safe to add one fish today? Was thinking a clown
What kind of ammnioa? I'm confused sorry I'm new to this
Did you leave it in there the whole time or did you pull it after a few days