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Old 06-22-2012, 11:27 PM   #1
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LFS live rock tank

This dark purple algae is all over one of my LFS's live rock tank. It's not good is it? Am I safe to buy fish from them??
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Old 06-22-2012, 11:33 PM   #2
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I can't really see it bust most purple algae is coralline algae which is a sign of good water quality. It could be bubble algae or something else which is a sign of the opposite........ If its flat and hard it's coralline...... Anything else and it's probably a sign of bad quality.
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Old 06-22-2012, 11:42 PM   #3
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Im seeing cyano. If you can brush it off with your finger it cyano. If its a hardened calcium deposit then its corraline aglae. Cyano=bad coralline=good.

Looks like cyano to me tho.

Its safe to by fish from them, however i wouldnt buy the live rock lol.
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Old 06-22-2012, 11:46 PM   #4
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Yeah it's def not coralline. I'm Familiar with that stuff. I'm just not goin to go back there. If they can't give a stuff about their tanks being infected with this I'm sure they dont care about the rest of what they're selling. Thanks guys.
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Old 06-22-2012, 11:50 PM   #5
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Quote:
Originally Posted by cloudxsoldier
Yeah it's def not coralline. I'm Familiar with that stuff. I'm just not goin to go back there. If they can't give a stuff about their tanks being infected with this I'm sure they dont care about the rest of what they're selling. Thanks guys.
Yeah, cyano can happen to anyone tho so i wouldnt judge them so quick. But its good to be aware they have this problem.
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Old 06-23-2012, 04:36 PM   #6
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It's not infected it just has some excess nutrients.
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Old 06-23-2012, 05:02 PM   #7
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Quote:
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It's not infected it just has some excess nutrients.
Yeah nitrates and phosphates can do this , maybe some extra flow with a extra power he's will help them.
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