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Digi skin browning

1802 Views 10 Replies 7 Participants Last post by  andrew.jones50
I have a ORA Green Digi that the polyps are still out on some, and usually has a nice bright white skin with the fluorescent green polyps. The white has become brown, no algae on it I can see and the growth has become significantly slower. I have a ORA German Blue about 3" from it that grows like a weed and an ORA Birds of Paradise about 2" above and 2" over that grows crazy as well. I actually had a frag of this off the colony that turned brown and the polyps receded and never returned. Anyone ever see this before? Will post pics shortly.

SG: 1.025
CA: 450
Alk: 9
Nitrate: <10
PO4: 0
pH: 7.7 - 8.1
Mg: 1350

Any thoughts would be great!
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I would dip, if it's a pest with a specific diet you will kill the adults and then re dip. I used bayer advanced as I was getting into sps, I brought in a cheapie frag and when I dipped it appeared to have red bugs :-/ luckily I only had two other sps at that point, evey 5th day they all took a dip, I did that for a month. After the second dip I didn't see anything suspicious
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