bacteria

My clownfish has had this crater looking thing on his face the past week. I’ve been treating it was a medication for bacteria infections but I’ve had no success. I’ve piggybacked this with several 25% water changes, no luck. Since this has started, my poor guy has gotten popping eye as well as...

My clownfish has had this crater looking thing on his face the past week. I’ve been treating it was a medication for bacteria infections but I’ve had no success. I’ve piggybacked this with several 25% water changes, no luck. Since this has started, my poor guy has gotten popping eye as well as...

i have my tank up and ready, but the sand storm is still everywhere... But at this time is it bad to run the filter, pump and skimmer? I just don't want the good bacteria to die because of low oxygen(I have my heater on)

The bottled bacteria- do I put whole bottle or follow instructions? Cause the bottled bacteria says you can instantly put fish in(which I don't believe) and says first day put this much, and add in fish, put this much on day 2... But if I don't add fish, does it make more sense to put whole...