My Nitrates are basically 0
I am not asking about nitrates (NO3
), I am asking about nitrites (NO2
). In very small amounts, NO2
can be just as deadly to fish as ammonia (NH3
removing the CBS and a few snails is not really going to due much to help water parameters as they do not contribute to the overal bioload of the tank. It is the fish you might need to thin out.
I did water changes just to be safe
Always the best course of action and the first thing to do when something seems "amiss".