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Old 06-12-2012, 09:34 PM   #1
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Need Some Advice to Fight Cyano

First off , I just moved my power heads back to where I had them originally and took out some filter sponges I had in my sump to slow down flow . I first noticed on Saturday a small clump in my refugium that was half way on the glass/sand . Didnt bother with it and did a 20 gallon water change yesterday. But I had taken one of my power heads out to mix the salt and water I was making. I think this was my mistake , I just got home and now there's red spots in my DT on the sand. Scooped what what I could pretty easy since it clumps up . My question is should I change my lighting schedule ? Right now I have my lights on 12 hrs actinics 13 . I believe I was over feeding adding to the outbreak.
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Old 06-12-2012, 09:48 PM   #2
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Overfeeding will do it every time
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Old 06-12-2012, 10:23 PM   #3
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The best thing you could do, is just cut back on your feeding by about half.
Although lighting for 13 hours is a lot, Cyano doesn't have that much to do with light. Cyanobacteria is just that, bacteria, not really an algae. Although its called Red Slime Algae. I would cut back your lighting to maybe 10 hours whites, 11-12 blues.
The biggest contributing factor is excessive feeding, causing excess nutrients (nitrates, phosphates) in your tank.
You should also have sufficient skimming and water movement to export the nutrients that you have to put in the tank.
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Old 06-13-2012, 08:28 PM   #4
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are you using RO/DI water? have you tested the RO/DI water before adding salt? cyano does need light to grow it grows better under certain spectrums of light. When did you last change your bulbs? are you running GFO in a reactor? A big part of cyano is over feeding but the main thing is phosphates
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Old 06-13-2012, 08:40 PM   #5
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I'am using RO/DI , my unit has a inline TDS is that what u mean by testing ? My lights are 2 months old if that and no im not running any GFO.
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Old 06-13-2012, 08:51 PM   #6
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I would start running a good quality gfo in a reactor where its more efficient rather than just in a bag. Look at bulkreefsupply.com TDS doesn't tell you if you have phosphates. There are several places phosphates can come from and you need to figure that out to fix the problem
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Old 06-19-2012, 09:01 PM   #7
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Just found what seems to be the left overs of a ricordia that I had , could that have been the cause of this ? The sebae was on top of it.
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Old 06-19-2012, 09:03 PM   #8
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probably not but could be, I think I am correct in saying that higher phosphates come from animals that have bones.
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Old 06-20-2012, 12:44 AM   #9
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water changes, water changes, water changes. I can't say it enough times. When things like that occur you need to remove nutrients which are on overload now. Do water changes once a week for a few weeks (syphon as much cyano out as possible) till Cyano is gone.....pain in the neck but works like a charm my friend. And I concur, slow down on the fish food.
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Old 06-20-2012, 07:41 PM   #10
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Zeovit Coral Snow & Zeobak mixed daily.
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