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Old 08-19-2011, 07:23 PM   #1
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Purplue stuff??!?!?!

K what is this purple stuff???? It's on the sand.
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Old 08-19-2011, 07:29 PM   #2
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How old is your tank?
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Old 08-19-2011, 07:30 PM   #3
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Cyano maybe? how is your water flow and do you use ro/di water or tap?
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180g- Mostly BIG fish and some coral. ~80g Nuvo- My coral tank with "happy fish"~ 90g- FOWLR Not the not happy type of fish~ 125g- Freshwater Malawi Cichlids ~10g- Nuvo- The refugees from the Ich of '18
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Old 08-19-2011, 07:33 PM   #4
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sugar water purple! lol i had to... but i am not too sure what that is but i think its coraline algea. friend of mine had it
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Old 08-19-2011, 07:36 PM   #5
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Coralline is hard and usually grows on rocks and surfaces not necessarily on the sand. I have a TON of coralline and its never been on my sand. That stuff looks stringy and mushy, I had a tiny bit of it in my one tank and it was cyano i believe.
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180g- Mostly BIG fish and some coral. ~80g Nuvo- My coral tank with "happy fish"~ 90g- FOWLR Not the not happy type of fish~ 125g- Freshwater Malawi Cichlids ~10g- Nuvo- The refugees from the Ich of '18
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Old 08-19-2011, 07:40 PM   #6
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Carey is right, it's Cyanobacteria for sure. Add some flow to that area and syphon it out, replenish with fresh mixed saltwater. It's due to an excess of nutrients in the system. If you have no corals you can also do a lights out period for a couple days.
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Old 08-19-2011, 07:41 PM   #7
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whoops ha im not very knowledgable with sw tanks, just remeber the color. I do think you are right!
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Old 08-19-2011, 09:47 PM   #8
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a lights out period will not do anything but make it appear to be gone. when the lights come back on, if nothing else has changed, it will surely come back.
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Old 08-19-2011, 09:50 PM   #9
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That's why you would change the water as well, pull out the extra nutrients and waste. Preventative maintenance on cyanobacteria is always easier, but sometimes it happens.
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Old 08-19-2011, 10:02 PM   #10
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Thank you all for even responding. Even if some of you were a bit off, I really appreciate it. I will work on it asap.
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