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Old 09-13-2012, 08:11 AM   #71
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I say don't mess with the intensity. Raise the lights up to about 20 inches above the water and see where we are in a week. Don't want to hit a level where we aren't providing enough light and don't realize, thinking that it is still the same issue we are diagnosing as too much light.
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Old 09-13-2012, 08:20 AM   #72
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What would be the difference between raising the light and lowering the intensity?
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Old 09-13-2012, 08:32 AM   #73
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None. It is lowering the intensity, but by raising it rather than lowering the intensity you also create more surface area of light and blah blah. After 3 hours of sleep I'm not really putting together how exactly I want to say this...but how I have my Radions hanging and messing with them, they are not hanging above my tank straight. The corals that are doing best in my tank? Those that aren't directly under the lights and in the large zone that should be under them if they were hanging correctly...I'm not even sure if this is making sense at this point, but it is an attempt to see if the light is too direct/strong and if there is an improvement around the edges of the radius as well.
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Old 09-13-2012, 08:37 AM   #74
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I ran the light at around 20% for several months. I still had this problem. Over the past several weeks I have been bumping the light up 3-5% a week.
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Old 09-13-2012, 08:57 AM   #75
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I'd still like to see how them being higher does. Maybe raise them and increase intensity? IDK, in reality I'd love to stand infront of the tank and ponder the issue.
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Old 09-13-2012, 09:22 AM   #76
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Is maturity still a question? To be honest I didn't really see any real coral growth until after about 6 months of having corals. Now this could be because I messed up a lot, too.
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Old 09-13-2012, 10:10 AM   #77
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Maybe... But I am seeing a dramatic decline... Not just no or slow growth.
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Old 09-13-2012, 10:18 AM   #78
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Have you switched salts yet?
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Old 09-13-2012, 12:40 PM   #79
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No I haven't and probably won't until I can rule out other causes.
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Old 09-13-2012, 07:30 PM   #80
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I still haven't heard if you've raised your alkalanity. Last I heard you had 7.7dKh. Very low IMO. If the light started the corals on a growth spurt, they may have consumed the little amount of carbonates you had available and now their suffering. Fiddling with the lights won't help if there are no carbonates available. Of course, maybe it has nothing to do with Alkalanity, but at 7.7 it is a definite possibility
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