Quote Originally Posted by Gary Slusser View Post
I'd go 14-16 minutes if one backwash and then 6-8 minutes rinse. If two backwashes 6-8 and then 6-8 again and 6-8 rinse.
Is your recommendation that this backwash/rinse be done every 3 to 4 days because of the iron (0.1 mg/l) and manganese (0.16 mg/l) in my water?