Recent content by kristenthegiant

  1. K

    Is this Black Algae?

    Thank you for the tip!
  2. K

    Is this Black Algae?

    This is my first post, and I can’t tell you how thankful I am for this community. We had some algae and started a slam. Usually, the slam clears everything up, but there are some stubborn black stains. I think it might be black algae and have been brushing it a few times a day with a steel brush...