eggtopica Posted November 11, 2022 Share Posted November 11, 2022 (edited) I just started a 20gallon a week ago with a new light. Had a hair algae bloom so I did a black out for two days, Turn on the light to see these. I'm using my old filter from my last tank and those balls and the algae are predominantly on that side of the tank. My plants are looking super rough but I figured that was from switching to remineralized RO water. Edited November 11, 2022 by eggtopica Link to comment Share on other sites More sharing options...
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