Jul 2, 2020 #1 IntuMarine1G Community Member View Badges Joined Jul 1, 2020 Messages 73 Reaction score 49 Location HAMILTON Rating - 0% 0 0 0 So I know the purple is Coraline and thats a good sign...but what is the rest? Good or bad?
Jul 2, 2020 #2 Bosreef Active Member View Badges Joined Apr 30, 2020 Messages 271 Reaction score 299 Rating - 0% 0 0 0 Not all coraline (algae) is purple, the white stuff is calcium deposits from the saltwater..