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Old 12-29-2014, 12:13 AM   #1
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Led lights

Since changing to LED lights I am having trouble with color and no growth on live rock. All I can diagnose is these lights are not strong enough. I have a 75 gallon reef tank. We'll established. Any advice or other?? Thank you!
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Old 12-29-2014, 12:15 AM   #2
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Might help if you let everyone here know what LED do you have now
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Old 12-29-2014, 12:18 AM   #3
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Yes it's a green element double strip.
I should add I replaced my halite with LEDs.
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Old 12-29-2014, 08:53 AM   #4
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Coralline algae can thrive under just a curly-Q energy saver bulb, so the odds are you are killing it with too much light too soon. What wattage halides did you remove...150s? If so, they put out very little PAR and this is definitely your problem. How are the corals, bleaching too, or turning brown?
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Old 12-29-2014, 09:08 AM   #5
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Doug, thank you. Yes the halides were 150's. I've also had 2 anenome die off. I've wondered if it's been to much light. I can make one strip just actinic blue and leave the other strip both blue and white. I also may be leaving them on to long. Suggestions? Thank you.
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Old 12-29-2014, 09:15 AM   #6
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How long have you had the new lights on? The trouble is there was no acclimation to the stronger light. Now all you can do is either raise them up, or some folks do the window screen method- go buy a roll of window screen from home depot, cut it in 3 or 4 sheets, put them over the tank between the water and the light, then remove one each week or so until you are at full strength. The damage has been done however, and You may just need to let it take it's course now. Even though you killed off a bunch of coralline, it will eventually grow back. The corals are another concern though.
How old is your tank? It might just be a bit too new and unstable for anemones at this point. Generally, I see anemones duck down in the rock work if there is too much light, not just sit there and bear it until they die.
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Old 12-29-2014, 10:19 AM   #7
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The light has been active for 4 weeks. I think I'll have to wait for it to repair itself now. I will also set light timer for 8 hrs. It's set at 12 hrs now. Feel bad I didn't research better. I did lose 2 cleaner shrimp as well. It's all very strange. Brown algae has dissipated.
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Old 12-29-2014, 10:41 AM   #8
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Cleaner shrimp didn't die from lighting. Check your parameters.
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Old 12-29-2014, 10:57 AM   #9
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Strange thing is ammonia nitrates and ph were fine. Idk
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Old 12-29-2014, 11:12 AM   #10
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How about acclimation? How long have you had them? How long has this tank been running?
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