What is this red color on my rocks

liamelias · Apr 26, 2024

Hey guys, my tank has been setup for a year and a half. I have a big GHA problem but its better than my dinos problem months ago. However a few weeks ago I noticed this redding of the rocks. What is it?

Thanks

tzabor10 · Apr 27, 2024

Can’t see well through the GHA. Time to get a clean up crew on that

What is this red color on my rocks

liamelias

Active Member

tzabor10

Valuable Member

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