Ooh okay thanksIt wonāt kill the betta but will mold and can cause ammonia to rise. Just look again tomorrow and vacuum your substrate along with a 75% water change. Nothing bad is going to happen overnight. I sometimes put cucumber in at night and donāt Remove until next night if snails or shrimp are still eating it. Note: No question is stupid.
No problem. Thatās what weāre here for.Ooh okay thanks