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Post by Matt in Lewiston on Oct 24, 2013 18:26:21 GMT -5
I set up a 10 gallon tank with water from a water change, added a hang on filter with some carbon and phosban, added new reef sand, some dry base rock, and a small piece of live rock. I added 4 types of macro algae, and seeded the tank with tisbe pods, the intent being to raise them in there to feed my mandarins. Cyano is going crazy, I keep cleaning it off, but it keeps growing. Any advice how to control it? It ran about 2 weeks before any sand or rock were added. No fish at all.
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Post by ryansweatt2004 on Oct 24, 2013 19:17:49 GMT -5
What kind of light do you have for the macro algae? Certain color spectrums actually help cyano to grow. Have you tested the water parameters?
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Post by Lance on Oct 24, 2013 19:19:34 GMT -5
Make sure you have good water circulation too.
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Post by Matt in Lewiston on Oct 24, 2013 19:28:19 GMT -5
Thanks for the replies, I had an extra power head to circulate things, but turned it off recently when I read it would hurt the pod population. The current light is a basic freshwater fluorescent bulb, thinking the macro wasn't too picky...I could easily replace the bulb with a Coral Sun or similar?
If lighting is the issue, any advice for my mini fuge in my display tank? It is small, with a small 4w 8k bulb there, cyano grows there also, but it is easily managed by wiping the surface every few weeks.
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Post by jasonandsarah on Oct 25, 2013 4:42:08 GMT -5
I had a little Cyano problem awhile back and was told to check my lighting as well. I had a couple older bulbs so I changed them out, did some major siphoning and it was gone. I'm sure where you added dry rock straight in the tank the po4 and no3 are fluctuating a bit so it maybe hard to get rid of with the access nutrients in your tank? Have you tested the po4 and no3? Last question what color is the Cyano?
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Post by moulton712 on Oct 25, 2013 17:37:45 GMT -5
I know new live sand and carbon can add po3 po4. From experiance and reading 0 even if you test. I had more cyano from new tank setups with leds.
I use brs 5 stage plus ro/di water. Less problems.
I just use a 13w regular cfl bulb for 2 fuges i have. Worked way better then when i was using the 50/50 coral sun, and cheaper.
When i add new sand i keep the fuge light on for weeks. I would let my cheato macroalge compete for the nutrients. I heard cheato doesnt go asexual and bloom. Also wont release nutrients back when the lights turn off. (I just set up a 40b w/ sump a month ago.)
I also like kents phosphate sponge. I used half a dose and worked fantastic. Worked for me great.
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