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#1
08-08-2009, 06:09 PM
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I recently moved a bleached and dieing caulastrea from the bottom of my 50 gal which is lit by a single 250W 10K MH to my 20gal which has a 24" Hagen Glo with Life Glo and Power Glo bulbs. Almost immediately the coral stopped receding and regained its former color. Now it looks like it will make a slow recovery.
However on the flip side a friend of mine in town switched his 500gal which used to be lit with four 400W 20K XM to all T5 and had nearly all of his SPS near the surface bleach at first.
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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
08-09-2009, 06:00 AM
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my lighting?
hey, ive just started getting into corals, i have just purchased a zoo, and a kenyan tree (soft coral). now i have 8. 36w t5s in my 75 gal. is this too much light for my new corals? my lights are sitting about 6" off of the water is that fine or should i be lifting them? i have noticed that the coral almost lies down in the subtrate when the lights go off at night. is this normal? anyways any help with my new corals would be THE WORLD, thanks
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#3
08-09-2009, 02:51 PM
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Nothing is really to bright. Just proper acclimatization is needed.
All this to bright for certain corals now. Bah. In the mid to late ,90s I grew tons of various soft corals and lps corals under my 250w 65K Iwasaki. Not much brighter than those. Just manage depth and/or lighting periods when changing bulbs or adding new corals, until they are use to the lights. The eggcrate with some window screen also works well for acclimatizing. You can keep corals that require less light down on or near the bottom, with proper lighting, instead of trying to get everything up into the light.
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Doug
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