May 22, 2022 #1 nobody Community Member View Badges My Tank Thread Joined Jul 26, 2020 Messages 54 Reaction score 87 Location ohio Rating - 0% 0 0 0 Have this growing on a rock and now it has spread to the glass. Very tuff like leather. It can be scraped off the glass as a whole piece but impossible to remove from the rock.. its a dark Green with a yellow to light green in spots. Thanks
Have this growing on a rock and now it has spread to the glass. Very tuff like leather. It can be scraped off the glass as a whole piece but impossible to remove from the rock.. its a dark Green with a yellow to light green in spots. Thanks
May 22, 2022 #2 Freenow54 Valuable Member View Badges Joined Mar 5, 2021 Messages 1,657 Reaction score 1,309 Location Canada Rating - 0% 0 0 0 There is an article here to help you. Just search algae on the page