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#1
09-10-2008, 11:15 AM
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Disappearing cyano algae
I have had a problem with a red cyano algae appearing on the substrate of my tank every afternoon and evening...overnight it completely disappears! I haven't been able to figure out what is going on but I used a Chemiclean Red Slime remover..and it seems to have worked in the past two days. I guess this means that it really was a blue green algae (cyano)...anyway I recently read that "(the amphipods,clopepods and isopods as well as a range of worms, among other creatures)...make a major contribution to algae control in the reef aquarium particularly in keeping down cyanobacterial growth. They are most active at night and are the reason that in many tanks with cyanobacteria problems, the cyanobacterial mats seem almost to disappear overnight but grow back during the day."..SO MY QUESTION now is: Does this mean that if I cut down even further on my feeding that I still have a large food supply of amphipods,clopepods and isopods that my fish are able to feed (or are feeding )on?
Thanks 
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#2
09-10-2008, 04:03 PM
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I have the exact same thing! Only it's in my fuge. I run a reverse cycle in there and last night I looked in and it was just about all gone. This morning before I went to work I checked on it and it was all back. I'm very curious to know why!
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#3
09-10-2008, 06:12 PM
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It can be a flow issue . and it is photosynthetic. i did nothing more than shut my lights down for 3 days to rid my tank of it. then added another PH to get some flow in that particular area. havent seen any since.
Your CUC is really doing nothing for this. aside from stiring your sandbed your cuc is really not feeding on the cyno. I have never seen anything eat or manage cyno. this is just my opinion but what is taking care of your cyno at night is not your pods and such, but rather the fact that there is no light.
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72 Gallon Bowfront Reef.. Hardware:2x250w Luminex Elite HQI Reflectors (Phoenix Hexarc Bulbs), Galaxy 2x250w Electronic ballast, Euroreef 130 Skimmer, Sedra KSP 7000 Retern... Live Stock: Pair of Hawaiian Flame Wrasse, Leopard Wrasse, Pink Streaked Wrasse, Pair True Percula Clowns, Potters Angel, African Flameback Angel, Orange Fin Tomini Tang, Yellow Assessor, Tailspot Blenny, Purple Firefish.. 45 G FW Asain Barb Community tank.
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#4
09-10-2008, 06:24 PM
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sounds about right to me el guappo.
there are a few inverts known to occasionally snack on Cyano although off hand I can't remember which. I have read that Cyano loves low oxygen as well, so having good air/water interraction at the top of your tnk is important too. I had MAJOR cyano when my tank was on it's first legs and as soon as i had a ph blasting water along the surface of my water....poof no more cyano.
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#5
09-10-2008, 08:44 PM
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Makes sense.
Time for a little test, tonight when I get home I'll take a picture of the fuge. I'll move the power head up, for more surface movement/oxygen exchange and leave the light off until Friday evening. I'll take two pictures a day to see what happens.
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