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#1
01-20-2010, 07:31 PM
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those are pretty strong lights for almost no corals, id raise the up quite high to cut down on light the algae is gettin at least untill it gets under control, dial down the calcium reactor, excess co2 is basicly fertalizer and im betting thats the main culprit, on my ro/di unit i run 2 di cartridges so if u have a big 20" one u should be ok but maybe test the water coming out of the ro for phisphates, if u still have phosphates of anykind after the ro unit thats a problem, look into a better unit maybe or more cartridges, also get a reactor of some kind and run phosphate remover,
http://www.bulkreefsupply.com/store/...ric-oxide.html also what do u feed? maybe ur over feeding a bit or frozen foods have high phosphate in the water there frozen in usually and should be rinsed out before adding to the tank
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but what the heck do i know 
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#2
01-20-2010, 10:12 PM
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With almost no corals, you actually don't need to run a Ca reactor.
How often do you change out the media in your Phosphate remover? It may be "full" and NOT absorbing any more phosphates from your system. How long are the lights on per day? Too long a photo-period + high powered lighting (400w) + not enough corals to compete = algae problems. Is it hair algae or what that is the problem? Any pics would be useful. Anthony
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If you see it, can take care of it, better get it or put it on hold. Otherwise, it'll be gone & you'll regret it!
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