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what is this?

monosyth

By monosyth

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too many nutrients? It's starting to grow everywhere! I have a sleeper goby that does stir up sand. It disappears at night with no light.

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TammyLiz

Thats cyanobacteria on your sand. It is photosynthetic which is why it would diminish without the light. It is a sign of too many organics in the water. I would recommend for you to do an extra water change and if you have a skimmer maybe wet skim for a while until it is no longer an issue.

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monosyth

thanks! I will adjust the skimmer. Also ordered some fresh chemipure elite and purigen. hope it helps.

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