Brown dusting on sand and rocks help

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hawk82

hawk82

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Ok thanks for help guys. Heading to Petco now. I ordered online and going to pick up, I had a coupon for online order, instead of 66$ it was only 55$ :)
 

i cant think

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Just siphon it out.
Siphoning does nothing to it when on its own. All I did was remove Phosphates which even then didn’t kill it off, siphon it and add a natural predator. After adding the natural predator it vanished altogether. 2 years of fighting it and all I did to get rid of it was add a predator.
 
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Im back, UV installed and running. wish me luck!
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The brown looks like diatoms to me. The red is almost certainly Cyano.

Chemiclean works great against Cyano. Diatoms usually go away on their own in time.
 

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