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btreyes
02/22/2016, 02:31 PM
My Favia colony is suddenly sick with irregular white spots... I dipped it with Rx, but it didn't seem to help. Has anyone seen this disease before? My water quality is fine, but I just adjusted my lights last week to be a little stronger and subsequently turned them back down. I plan on giving it an iodine dip soon. Suggestions anyone?

Thank You,
Brandon

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organism
02/22/2016, 05:05 PM
I wouldn't iodine dip that's just going to stress it more, what are your parameters? I've seen alkalinity or magnesium swings do something similar.

Reef Bass
02/22/2016, 07:14 PM
Possibly the start of bleaching from increased light intensity? Just a thought.

btreyes
02/23/2016, 03:26 PM
I think you are right organism, I neglected to mention that a tube from my alk/Ca doser came out and wasn't dosing Ca for a few days. Did your favia come back after the swing?

DvBrien
02/25/2016, 01:51 PM
Possibly the start of bleaching from increased light intensity? Just a thought.

+1 on that... this wouldn't be caused by a "few days" a week + maybe, I'm sure you've missed before and this would have been noticed then. I think what you changed would be the culprit of your issues...

+1 on saying NO to iodine as well.