Corals fading away, can't ID problem, HELP!

five.five-six

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#21
I realized I had a problem and assumed it was my water temps hitting 81.5 at times. I bought a fan and thought the issue was resolved.
81.5 is fine as long as it isn’t spiking up and down. Stability is everything, many antidotal experiance s are that SPS actually grow much faster at that temp. What are you doing for makeup water, Fans really increase evaporation and if you are dumping a gallon or two of RODI in the tank every few days, that’s going to shock the shit out of everything.
 
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#22
For filtration I already have 2 bags of carbon and two bags of Ceramic Biological Ring Media that came with the tank.

The fan runs for maybe 1/6th of the day? I’m replacing about 3/4 of a gallon a day.

If I’m understanding correctly it could be low salinity since my dKH is on the low end?
 

djam

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#23
I had a similar issue a few years ago, finally decided the only recent change was a new bucket of the same brand of salt. I switched to a new bucket, did a water change and everything was fine the next day. Fish were fine, corals just shriveled up.
 
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#24
I've had issues with temp swings in the summer. Keeping the tank stable is the best chance of success. I invested in a Chiller and do bi weekly water changes. That seemed to work. Are you looking into a chiller?
 
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