What do you use to chlorinate? If you're using trichlor pucks, then the stabilizer is being added via the pucks. Same goes for powdered shock made of dichlor--the stabilizer is part of the chemical. It would be almost impossible for someone to run an outdoor pool with no stabilizer and keep it algae and bacteria free unless you had a constant addition of chlorine throughout the day.
In addition, once you add stabilizer, the only way that it is lowered is through splashout, drain/refill, or by letting your pool go green during the winter time, so it's possible that your pool builder added the stabilizer during startup and you still have the residual in the water from that original dose. Have you ever tested your water for CYA?
Janet
Bookmarks