Hi all, have started to get this red algae building up on rocks, wondering what it is and should I be worries
Red algae should i be worried?
- Thread starter wonderphil-reef
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\m/reefsnmetal\m/
Active Member
Looks like cyano bacteria. It's considered a sign of elevated phosphates/nitrates. You can remove it manually pretty easy and increase flow to that area to prevent a return. I would test the water before taking any other actions as there are dosing options. It is bad if it grows over the corals.
OP
OP
Nice, I knew I had high po4 which I am working on so good to know thanks
Glenner’sreef
2500 Club Member
Cause and affect!!! Are you using RODI water? Pelletized foods? Etc
OP
OP
yeah both, and I was using Rowaphos but somehow it went sold in the rector and now the reactor is blocked, so need to fix that. Not sure why Rowaphos solid and blocked up
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