hydroids

[Starry]

They are all on 1 rock so that shouldnt be a problem. Thanks

[hillegom]

I had some, but not too many, mostly about 6 each in 4 clusters.
Took a propane torch to them and they never came back. And I saved the rest of the rock, little feather dusters survived.

[Myka]

Blow torch or as someone else suggested before (which is brilliant) soldering iron!! Cooking won't get rid of them...unless you do it on the stove!