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Old 01-22-2012, 04:03 AM
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Delphinus Delphinus is offline
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Take a blowtorch to the rock

(Actually I'm not really kidding - if you do it though be careful, you don't want the rock shattering on you.)

Do you have any dwarf/pygmy angels (Centropyge) ? They sometimes will pick at it.

The problem with just scraping them off is that they burrow into the rock so you only give them a haircut.

You can sometimes smother them with epoxy (you can always remove the epoxy later) but this looks like a pretty large colony.

I'm thinking blowtorch or letting the rock dry out and reseeding it in a curing tub are probably the better silver bullets.

Good luck..
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