Base of SPS going white (slow loss of flesh)

guric1van

New member
Need some help - the base of a few of my acros is going white, and the flesh seems to have dissolved away.

Has happened slowly over about 2 weeks. Its not RTN, I'm familiar with that (unfortunately), this seems to be a lot slower.

The rest of the coral seems ok with good colours, the tips are ok too. Out of the 15 odd acros if have, it ssems to be affecting about 4 of them.

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I have noticed that my pH has dropped recently, going from about 8.3 to 8.0 in a few weeks. I did also turn my lights up a little about a month ago, but the tips look ok, which is what i thought the problem would be.

Any ideas?
 

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