Thats for sure but still try to search manually

If you still not get better sources then i will share one of the source no issue

Thanx for that if you have any good source or any experience

Pool Antifreeze: Pool antifreeze is used to winterize swimming pools and protect the plumbing lines from freezing during colder months. It is typically a non-toxic, propylene glycol-based solution that is safe for humans, pets, and the environment. Pool antifreeze is specifically formulated to be compatible with pool plumbing systems, including PVC, copper, and other common materials used in pool plumbing. It helps prevent water in the pipes from freezing and expanding, which can cause them to burst.

Another one about rv freeze i will post it soon

RV Antifreeze: RV antifreeze, also known as recreational vehicle antifreeze, is used to winterize RVs, motorhomes, trailers, and other recreational vehicles. It is a non-toxic, ethyl alcohol-based solution that is specifically designed to protect the plumbing system and fixtures from freezing temperatures. RV antifreeze is typically pink in color for easy identification. It is used to replace water in the plumbing lines, toilets, sinks, and other water systems to prevent them from freezing and potentially causing damage.

Thanx for these information's

No issue you will get more information from me or other experts dont worry