Andjak
Aquarium Advice Activist
- Joined
- Oct 20, 2011
- Messages
- 121
Hi guys I have a delta therma heater in my tank and it keeps getting like this. Cloudy slime build up on the temp control on the tip and on the suction pads that hold it to the tank I clean it off and it builds up again within a week any ideas what that might be or if it's harmful to my fish or plants any help would be good as in pretty worried about my lil guys