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#1
12-15-2010, 12:40 AM
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Are you using any biopellets? One of my chalice (and several other LPS and soft coral) began to bleach this summer when I tried out the Vertex pellets for a month.
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"We shall dive down through black abysses... and in that lair of the Deep Ones we shall dwell amidst wonder and glory forever." - H.P. Lovecraft Old 120gal Tank Journal New 225gal Tank Journal May 2010 TOTM The 10th Annual Prince George Reef Tank Tour 
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#2
12-15-2010, 12:48 AM
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No, I'm not. I'm actually quite convinced that they're not the best thing for reef systems... maybe in time once they're better understood but right now I'm hearing waaaaay too many horror stories about them.
I also don't use them as I try to not keep my nitrates at exactly zero. My personal belief is that there should be some nitrates around (greater than 0 ppm but less than 5 ppm) the help facilitate growth and maintain coral health. I feel ULNS are too unstable as the corals are basically operating on a very lean diet... the littlest thing can just wipe them out.
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