Hi there, as the title says, I’m new to the use of a sand filter(SandPro 75D).
Question is, do I have to keep the backwash plug in, switching to the backwash hose & fitting only when backwashing? Or can I just leave the backwash hose hooked up?
Question is, do I have to keep the backwash plug in, switching to the backwash hose & fitting only when backwashing? Or can I just leave the backwash hose hooked up?