I think I understand the chemistry side of closing, and I'm pretty sure I understand the plumbing part too. I don't want to make any mistakes on the plumbing soo... let me ask first! Is this the correct proceedure.
20x40 In Ground Concrete
Lower the water level 4-5 inches below the return ports
Drain water from Pump (put plug in filter basket)
Remove sightglass from Filter valve (put in basket)
Drain water from filter (Plug goes - yup basket)
remove Pressure Guage from valve (Store in garage)
Blow out lines - ?????
--- Ok question - I have a compressor, my shopvac only sucks.
I can connect the compressor to one of the rubber stoppers by removing the wingnut and bolt and using a blowgun through the opening. I assume using 20 psi (maybe higher?) from the compressor I can blow this out much like the sprinkler system.
But where whould I blow from? the skimmer opening? the vaccum port (Still below water level) or do I have to disconnect the plumbing at the pump and blow backwards? Should I start at the return ports and go that way? or does it matter.
also I have a main drain and a skimmer/vaccum line do I need to close one while blowing out the other or does keeping both open clear both lines at once?
After blowing out the lines - add RV/Pool antifreeze (fill the system till it seeps out the return lines or just a gallon in each line for good measure)
Put gizmos (bottles) in skimmer, Plug up the return lines, Add a cover and bake until spring?
Does it sound like I'm ready to try this or do I need to correct anything first?
Thanks in advance!