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Coral Vue Hydros

Cyano?


DUSKY

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Been dealing with this stuff for about two weeks now. Tends to go way at night the pop right back up when the light comes on. I think it's cyano but I've never seen it brown before. Picking up some chemiclean this weekend. 

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Could also be dinos. I have what I think are dinos. Had them pretty much since I set up this new system. Thought it was cyano for a long time and I even tried Chemiclean to no effect. Mine show the same signs as yours and are very hard to notice at night and will come on strong during my mid-day light cycle. I think the white spectrum of the light shows more of their brown.

 

Mine have never really ventured from the sand and stay minimal if I keep up on my water quality. Approaching a year with them around so I think cyano is long ruled out. 

 

Best of luck but I would also investigate them as dinos, as well.

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Looks more like Cyano. If it's more red/purple ish and slimy film, it's cyano. If it's dusty, brownish, it's Dino. Check water params, phosphate in particular. 

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Yeah, it worked for me. Watch out for phosphate levels as well. I am able to maintain cyano free sand bed since i started using gfo.

Chemiclean is good for getting rid of existing cyano outbreak,in the long run you have to figure out the causing factor and prevent it.

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