mrbee2828
Aquarium Advice FINatic
I got some live rock a bit back and have had my tank set up for a few weeks with it. I've notice this red stuff spreading. You can see it really fuzzy on the upper rock and starting to spread on the lower rock. I wanted to make sure it was something good or find out if it was bad. Is it coralline algae which if I understand correctly is good? I've also notice the diatoms blowing up already like I had in my cichlid tank this fall but I attribute that to the filter sand I'm using. It eventually died off.