I've been trying to rid our pool of algae for about a month now. I have a 33K vinyl liner in-ground and here are the latest readings:
I have been trying to keep the FC level at 15 to get rid of the algae. I've been brushing the pool daily, 2x a day if I can find the time. We are running the filter non-stop. When I shut the filter off, even for overnight once I think I have it cleared up, it seems to grow right on back.