Algae cycles can be long battles. I recomend slowly building the cycle time when switching to MH (reduce for a start). Also, I've found that if you find foods low in phosphates and feed sparingly, it helps. Also, regular waterchanges with ro coupled with strong nutrient export (skimmer) should help. Excess CO2 will also contribute to the problem. Trying to find ways to saturate the water with more O2 as well as a reverse lighting schedule (sump) are more weapons to fight the battle. The end result, in my experience is to play the waiting game and let your tank strike an equilibrium, as most of your efforts might be in vain. Your call. Rich.
P.S. If you don't have any corals in the tank, you can cut your MH on-time drastically for a good start.
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90gal Starfire mixed reef, 400W MH (Giesemann 13K megachrome/Icecap E-ballast), (2) 54W T5 Giesemann true actinic, 45gal sump (65W 50/50 PC), ASM G-3 Skimmer, Mak 4 return, Sequence Dart closed loop, foam backdrop, 120 lbs LR, 2" sandbed, & 1 dillhole running the show.
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03-21-2005, 11:01 PM
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