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Red sand


MJ1980

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Cyanobacteria. Common in a newer tank, can be blown off with a turkey baster. I suggest increasing flow on the sandbed and evaluating if you need to do more water changes. People will recommend chemical treatments to eliminate it. I've heard it can work but be careful. :)

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Thank you. Is it dangerous?

 

not directly dangerous but can be to corals if you let it spread over them. like Mark said, just blow it off and do some water changes.

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FWIW - Just my opinion, Cyano is just a natural part of a newer reef being set up. I had it, it drove me crazy because my junk was ugly. It will pass, shorten the amount of time the lights are on, get better flow if you haven't already, and cut down on feeding. Yes, fish should act like they are still hungry, it's all they have to look forward to each day, they want to make the most of it. As mentioned above, blow it off, suck it up, whatever you gotta do. Using chemicals to remove/rid your tank is only a "band-aid" treatment, it's not correcting whatever is causing the issue to begin with. For example, if you're overfeeding (as many many new reefers do) and you treat the tank to remove the cyano, the bad habit is still there, month or two from now, you'll be asking how to remove the green hair algae from your tank because you're still over feeding. Be patient young padawan, sharpen your husbandry skills, this to shall pass.

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I found that cycling with the lights off helped keep the amount of nuisance algae down. Once the cycle was done, I turned on the lights and added a CUC soon afterwards. Helped me avoid the nasty cyano phase for the most part.

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