Hole developing in my Lobo:(

[ReEfErAdDiCt]

Can anyone please give me some insight on this hole that's developed on the rim of my Lobo?

I just noticed it today. In the morning it looked like just a small depression but this evening it has developed into a hole. All of my other corals are fine, all water parameters fine, just did a 30 gal water change(170 gal total system volume). I did upgrade to ecotech radions but I have it on the acclimation setting, currently reaching only 45% intensity at its highest. I've also noticed a small cyano outbreak which I don't understand the cause...tried to fix the cyano with the water change but it came right back the next day. I've never had a cyano outbreak, ever. I've got tons of flow in the tank(about 5500-6000gph in the 90 gal display that this is all happening in), and only 9 fish. Oh and I just started running GFO and SeaChem's "De-Nitrate", because Phos and No3 were a bit high but now under control.

So please, if anyone has any experience or info on either of these things, thoughts and advice will be greatly appreciated. TIA

~Vince


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[ReEfErAdDiCt]

Forgot to post pics...

Lobo

And the Cyano

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[spscrazy]

maybe a gall crab?

 

[ReEfErAdDiCt]

maybe a gall crab?

Hmm..I looked them up, interesting. I'll check it out. Thanks


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[Breakin Newz]

+1 on gall crab, I hate those little things! Now when I get any coral and see any kind of hole I thoroughly clean it out!

 

[ReEfErAdDiCt]

Haven't noticed anything on or around the lobo that looks like a Gall Crab. It actually looks like it's healing. Very weird...The cyano seemed like it was getting better yesterday but today it looked the worst I've seen it yet.