Kyle Posted October 16, 2020 Share Posted October 16, 2020 In my 20 gallon high tank, there is a buildup on my aquarium heater. I'm just wondering what this is, and how I should go about cleaning it off? Link to comment Share on other sites More sharing options...
varanidguy Posted October 16, 2020 Share Posted October 16, 2020 Is that on the outside? If so, looks like algae. A sponge should be sufficient. However, if that's INSIDE the heater, I'd toss it and get a new one. Link to comment Share on other sites More sharing options...
Kyle Posted October 16, 2020 Author Share Posted October 16, 2020 It's just on the outside. I'll clean it up with a sponge and see how it fares Link to comment Share on other sites More sharing options...
varanidguy Posted October 16, 2020 Share Posted October 16, 2020 Just now, Kyle said: It's just on the outside. I'll clean it up with a sponge and see how it fares Yeah, I bet it's algae. Even looks like it's pearling. lol Link to comment Share on other sites More sharing options...
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