Mar 17, 2019 #1 T Tubbsiewubbsie Community Member View Badges Joined Mar 17, 2019 Messages 72 Reaction score 50 Rating - 0% 0 0 0 Can anyone ID this gray stuff. Feels hard to the touch.
Mar 17, 2019 #2 J Jon Fishman Cleveland Ohio, buy/sell local! View Badges Hospitality Award My Tank Thread Joined Feb 18, 2019 Messages 5,105 Reaction score 8,694 Rating - 0% 0 0 0 Probably sponge? #reefsquad
Mar 17, 2019 #3 Bato367 Active Member View Badges My Tank Thread Joined Jan 11, 2019 Messages 338 Reaction score 380 Location western Colorado Rating - 0% 0 0 0 Looks like a species of encrusting (coralline) algae to me.
Mar 17, 2019 #4 OP OP T Tubbsiewubbsie Community Member View Badges Joined Mar 17, 2019 Messages 72 Reaction score 50 Rating - 0% 0 0 0 Thanks for taking a look.
Mar 18, 2019 #5 Peach02 Valuable Member View Badges Reef Tank 365 My Tank Thread Joined Jan 11, 2019 Messages 2,260 Reaction score 2,709 Location Australia Rating - 0% 0 0 0 Kinda looks like bubble algae to me I’d try to remove it or put it in quarrntene
