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Old 10-27-2007, 11:40 AM   #1
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Purpleb & Green problems

When I had my 46 gal reef running I had what I believed to be a moderate cyano problem. Tried everything recommended except food reduction without luck. The solution seemed to be to just suck the stuff off the substrate, weekly, when I did my water changes.

A few months ago I moved up to a 72gal tank and haven't had problems until 2 weeks ago. My new tank has a 33gal sum with large fuge loaded with Green Grape Carlupa & a few inverts. Some ruby/maroon colored substance started growing on my LR and Metalic Star coral. I could not remove very much with a toothbrush. Now I have ruby colored sheet-like material growing between the polyps of my Sun Coral. It was easy to remove with a brush but came back in a few days.

Additionally, I have a dark green growth spreading out over my substrate (sand). It can be sucked off the surface but starts to return within a day. It looks terrible.

46 gal FOWLR
11lb Live Rock - 40lb Live Sand
ProClear Pro 75 - LR rubble & skimmer in sump
AC 300 HOB
AC 402 Powerhead - AC 301 Powerhead
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Old 10-27-2007, 11:47 AM   #2
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I'm guessing that photos and water parameters would help in identifying the condition and cause.

"...but the guy at the LFS said I needed it!"
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Old 10-27-2007, 07:24 PM   #3
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you have cyano.
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Old 10-28-2007, 04:10 PM   #4
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Re: Purpleb & Green problems

Originally Posted by Charlie
Tried everything recommended except food reduction without luck.
Why did you skip this one? How often and what are you feeding?
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