J. Holmes Posted February 18, 2022 Share Posted February 18, 2022 I’ve just bumped up my lights and have noticed the algae pick up in my tank. While doing a water change and cleaning the glass, I noticed this algae on my spider wood. The snails and Ottos will not clean it. It’s not slimy and doesn’t smell. I’m worried it might be blue green algae. Any suggestions? Thanks so much! Link to comment Share on other sites More sharing options...
Linda4fish Posted February 19, 2022 Share Posted February 19, 2022 I am no authority but I would be willing to bet that that’s green spot algae growing on your wood:) Link to comment Share on other sites More sharing options...
Flumpweesel Posted February 19, 2022 Share Posted February 19, 2022 Blue green algae smells bad and you would have noticed the smell. I second @Linda4fish I'd guess green spot Link to comment Share on other sites More sharing options...
Guppysnail Posted February 19, 2022 Share Posted February 19, 2022 (edited) This appears more like green dust algae as it does not have the circular disc appearance of green spot algae. If it can be wiped off with a bit of elbow grease it’s dust algae. If it needs scraped off with a credit card razor or plastic razor it is spot. edit to add i was able to find this for youhttps://www.2hraquarist.com/blogs/algae-control/how-to-control-green-dust-algae Edited February 19, 2022 by Guppysnail 1 Link to comment Share on other sites More sharing options...
TheDojoMojo Posted February 20, 2022 Share Posted February 20, 2022 If it comes off fairly easily, it’s likely green dust. Blue green algae I’ve found to be more deep colored and, as someone mentioned, smells horrible. Link to comment Share on other sites More sharing options...
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