Bubble algea = the devil

[Beverly]

Here's an article on valonia. Removal methods are about halfway down the page....

http://www.reefkeeping.com/issues/20...ture/index.php

The method I use, from the article, is pretty much as follows, taking great care to remove a piece of rock that the valonia is attached to and not to rupture any of the valonia....

My weapon of choice ought to be a small stainless-steel flathead screwdriver, sharpened to wicked excess, and used to gouge out the offenders at the anchorage, even including a thin veneer of rock.