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Old 06/17/2009, 08:30 PM   #1
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bleaching of sps???

I was just wondering what causes bleaching with sps,my parameters are dkh at 10,calcium at 440 and mg at 1500. I also redirected my koralias to increase circulation,just notice bleaching lately. Is it the dosing of strontium or iodine to the system?

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Old 06/21/2009, 09:52 PM   #2
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I had a problem recently... You need to look at any changes in your daily routine or in the tank. My problem was a new ballast driving the light better. I shortened the photoperiod and everything started to look better in a few days. Too much strontium and iodine could be a prob...

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Old 06/22/2009, 01:57 AM   #3
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Bleaching is usually caused by high/ low temps. Change in lighting, alk swings, I had sps bleach a few months ago due to a bad thermometer.

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Old 06/26/2009, 04:11 PM   #4
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I am experiencing the same problem with my SPS too. It just started about 2 weeks ago. I am running T-5's and I have it close to the top of the tank (about 4-6") down. Could it be too close to the lights?

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Old 06/27/2009, 09:47 PM   #5
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What changes have been made lately, and what lights are you running?? how long have you have the corals. Mine bleach when i get new corals and put them in too much light too quick. The iodine may also stress them. Look at you recent changes and go from there. The params look Ok, mg, alk, ca, so look at the the temp and lighting now. try a shorter photoperiod for a week or so.

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Current Tank Info: empty 120 gallon glass box. wanna help fill it? sps and palys please
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Old 06/27/2009, 11:02 PM   #6
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Thanks guys,did a water change and it seems like its just my teal stag bleaching,the others are growing well,temps stay constant at 78 due to a chiller but I really feel like overdosing on strontium did it or iodine.

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