Helppp

[mikki2315]

I have a 95 gal that one of the decorations has started what looks like white mold I have had this tank running for over a year no deaths I recently finished a filter change I had two hangers (emperor 400) and I left one on but placed my two new aquaball in tank filters in and started running them kept it going for three weeks with the emperor and two new aquaballs last week I took the emperor off and I woke up this morning and my log decoration has white on the top of it... the tank has 5 clowns 4 yo yos and the yo yos I just noticed glancing as im writing this