Nov 20, 2016 #1 Jenny mitchell Reefing newb Location Cambridge, england we have a few white tube like things growing out of our rock. At first there was just one, but are more now, should be getting rid of them? Attachments image.webp 118.7 KB · Views: 530
we have a few white tube like things growing out of our rock. At first there was just one, but are more now, should be getting rid of them?
Nov 20, 2016 #3 Jenny mitchell Reefing newb Location Cambridge, england They're flexible and didn't retract when I touched one of them
Nov 24, 2016 #4 Big K Reefing newb Location Nashville, TN Looks like some type of sponge to me. I have the same thing I believe. I'd say it's harmless.