What is this?

EvanG New Member Posts: 3	What is this? Feb 12, 2016 23:50:58 GMT -5 via Tapatalk Quote Select Post Deselect Post Link to Post Back to Top Post by EvanG on Feb 12, 2016 23:50:58 GMT -5 These are growing on the glass in my sump they seem to have a single tube Attachments:

reefkprz Full Member Posts: 267	What is this? Feb 13, 2016 7:06:12 GMT -5 jasonandsarah likes this Quote Select Post Deselect Post Link to Post Back to Top Post by reefkprz on Feb 13, 2016 7:06:12 GMT -5 sponge
	40Bg display, 55g sump 40g fill, coralife super skimmer 125, 135w galaxy hydro lights.