First, thanks for all the feedback. The algae almost reminds me of Coraline from the standpoint of how it attaches, feels, and is removed from structures once it is attached. I don't have a good picture because it has subsided since I stopped using the Vodka. Unfortunately the Hair Algae has come back with a vengeance so I will need to start Vodka again. I was trying to come up with a game plan on how to control it before it becomes an issue.