Quote Originally Posted by GaryT View Post
I am in the habit of backwashing into a 55 gal drum. The old pump took 62 seconds to fill it. I will be able to compare pump volume easily when I back wash with the new pump. I gravity feed the back wash water back into the pool after it settles and clears. Essentially I use only a gal to back wash my pool
Interesting. I'll have to try that sometime.