Kate. W. Posted November 30, 2021 Share Posted November 30, 2021 (edited) Hi! My Betta tank water is VERY green. What I thought was a bacteria bloom was actually what appears to be a phytoplankton bloom 😬😬😬😬 I have tried algaecides, I have tried polishing pads, I have tried a phosphate remover. It only improves after a small water change but comes back within 3 days. Do you have any ideas for what could possibly help? Because I have read every forum and watched every YouTube video for weeks and I can't get it to stop. Thank you in advance. Edited November 30, 2021 by Kate. W. 1 Link to comment Share on other sites More sharing options...
HH Morant Posted November 30, 2021 Share Posted November 30, 2021 UV unit. Reduce lighting: the time the light is on and/or the intensity of the light. Â Â Link to comment Share on other sites More sharing options...
JettsPapa Posted December 1, 2021 Share Posted December 1, 2021 Reduce the light to no more than six hours per day, and add all the live plants you can get your hands on, even if they're just there temporarily. I've added a bunch of water wisteria cuttings that I didn't put in the substrate when I was battling it. I removed the extra plants after I got the green water under control. 1 Link to comment Share on other sites More sharing options...
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