AGP, Main drain winterization. Just pour antifreeze down the main?

[Trick]

Michigan above ground pool.

From my understanding, I just poor RV antifreeze down the plumbing the heads to the main drain. Once I start to see antifreeze coming out of both the main drains into the pool water, I simply shut the valve locking in the antifreeze.

Antifreeze is heavy enough to where it will stay in this main drain and nothing will freeze.

Does this sound right?

 

[pooldv]

Hi, I don't close my pool or know how. Here is a

Here is an article from Pool School that should help, Pool School - Closing an In Ground Pool. Looks like it recommends rubber plugs to seal in the antifreeze.