- Joined
- Apr 21, 2019
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Anyone have any idea what this is? It's only growing on the bottom of my tank, i have that marine board on the bottom of my tank. I've tried to scrub it off with a toothbrush but its nearly impossible to scrub off. Best way to describe the color is, its like dried blood.
Picture was taken with all the light channels at 100%
Picture was taken with all the light channels at 100%