| Re: Dark Blanket...algae or diatoms? |
Subject: Re: Dark Blanket...algae or diatoms? by Fishlady on 10/2/2019 19:36:20 This is cyanobacteria or blue-green algae (also comes in red/purple). It's a photosynthesizing bacterium. Best way to eradicate it is to follow this guide: https://www.thesprucepets.com/cyanobac ... -blue-green-algae-1378628 |