main drains only

I have a small pool with one inlet just below waterline, one outlet just below waterline, and one main drain. Only one pipe to and from the pump/filter area. My main drain sump has two holes, one with a plug in it. Don't know if this is for pressure relief or what. No valves. No skimmer niche...

Hello all, We are going on vacation soon and are trying to prepare our Inground pool for 14 days away. The pool chemicals are great and no problems so far this summer. It’s heated to 88deg normally and our hot summer days (86deg) and cool summer nights (59deg) have made evaporation a real...

Today I had a company come to my house to find a leak...I’ve been putting water in every day. He found the leak below the skimmer, so it will require an expensive fix, cutting concrete, etc. He turned the skimmer off and turned the main drains on, I also have a vacuum that runs around. It no...