First time closing the pool myself

CountrySquire13

New member
Oct 9, 2024
1
Connecticut
Pool Size
30000
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
Jandy Aquapure 1400
Hello. Happy to be a new member of this informative site. We had our salt water pool installed 9 yrs ago and this is the first time we will be closing it ourselves without hiring it out. I pretty much know what to do as I’ve watched the same pool guys close the pool every year. Here’s what I don’t know…I have a variable psi air compressor which I should set to around 20psi but no higher then 30.
What I’m not sure of is where it connects to the pump.
Also, Our pool has an incorporated hot tub which has 2 drains on the floor and 8 jets. I know to drop the water line below the jets but besides draining it completely, How do I get antifreeze into those lines if there’s still water in the bottom I/2 of the tub? Lastly (for now) how many gallon on average of antifreeze will I need. I know it depends on the size of the pool and the distance of the plumbing to the filter. It’s a 20 x 40 pool and the longest run from the furthest skimmer is around 50’.
Thanks in Advance for any help this group can offer.