Quote Originally Posted by Watermom
Backwash time is whenever your filter pressure has increased by about 8-10psi. Continue doing what you have been doing - maintaining the high chlorine readings and running your pump 24/7. Glad it is looking better. Keep at it. It'll clear.
My filter pressure is about 25. Problem is that I don't know where it started at, so I don't know if it has increased by 8-10 psi???