Algae, Cyano help

Imee1976

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Hello, I have posted about my Cyano problem but the algae problem is taken over. I’ve run my skimmer at 20 hours a day for a week now. I have 3 fish, 2 clowns and a gramma. red Shrimp and a star serpant And 7 soft corals. Is my next step turning off the lights for a few days?
thanks

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Imee1976

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I do 10 gallon water changes every week. The tank is 3 mo the old
 

ahiggins

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Bud, I think we have differing opinions on “taking over”
Your tank looks new, are you sure you’re not seeing diatoms? Hard to tell with blues but I don’t see any algae.
 

Bryknicks

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I don't see any cyano or algae. If you are seeing a brown dusting on the sand and/or rocks its just a diatom outbreak which is normal for a new and young tank. Looks like the tank was started with dry rock. It will go through various stages of the "uglies" where you will have algae outbreaks. Do not worry, just keep up with your normal routine and let the tank work itself out over the next couple of months.
 

SMSREEF

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I took some more picture

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That’s the good stuff, looks like normal algae not cyano.

May I suggest you get a few snails (trochus or astrea) snails. I like astrea better for tanks without sand because they cant flip back over when in the sand. Trochus can flip themselves back over. Try to get ones with some coralline algae on them so it can spread to your rock over next 6 months.

Honestly, if you try and get rid of that with any chemical or product, you will get a far worse problem to replace it. Dino’s, chrysophyte.
 

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