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Top Shelf Aquatics

Brown Stuff


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There is this brown stuff which I think is algae. It is settling on my rocks and the bottom of my tank and it has been spreading. There is also green hair algae. I don't know if that has to do with anything.

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+1 to diatoms.


The age of your tank, the lighting, the age of the bulbs, your flow, your filtration, your feeding, etc are all contributors. In a nutshell ... ya have excess nutrients.


Your water for top off (should be verifiable 0 TDS and 0 Phosphates) and WC's should be looked into as well.


When all the above variables are in control and eliminated ... check out the Peroxide Thread

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