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Old 04-11-2012, 12:25 AM   #1
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cyano or coraline?

I found this purple/ dark purple stuff start to exploded on one of my live rocks. Is it cyano bacteria or is it just coralline?
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Old 04-11-2012, 12:27 AM   #2
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Looks like cyano. If you can remove it easily and it's slimy, then it's cyano. Coraline is very hard to remove even when using a fingernail etc.
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Old 04-11-2012, 12:27 AM   #3
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It doesn't *look* like coralline in these pics, but there's an easy way to find out. Poke it! j/k, kinda. Try brushing it off. Coralline is hard and thin, cyano is soft, squishy, and will come off with a squirt from a turkey baster.
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Old 04-11-2012, 12:36 AM   #4
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It came off so guess it is cyano. I got a rock last week with some zoas on it that had cyano and it cut it out, it must have spread.. Should i treat the tank with something?
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Old 04-11-2012, 12:38 AM   #5
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First try to remove it all. I like to use combo toothbrush and airline tubing with siphon started to first brush it off, then suck it out before it settles somewhere else. If you're thorough, a few times doing this could get rid of it all. Follow that with a larger than normal PWC and really watch your feeding schedule and water parameters.
IF all that fails, use Chemiclean. But last resort, really. Requires going two days without a skimmer and a big PWC after that.
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Old 04-11-2012, 12:48 AM   #6
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Ok thank you for all the help i will try to remove it with the tooth brush and suck it up thanks. Hope it works.
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