Product Review

For safety concerns just use the source tank valve for on/off control…To fill each 1 lb. bottle more completely simply put those containers in a refrigerator or even a freezer for a few minutes AND put the 20/40 lb. FULL tank in hot water and/or in the Sun…The key here is to maximize the pressure in the source tank and minimize it in the receiving 1 lb. bottle allowing for more propane to transfer before the pressure equalizes…I’ve been filling these little bottles for years using this type coupler and while they may not get 100% filled as when new they can reach 80-90% with regularity when the above steps are taken…Keep in mind NO Propane tank is completely filled anyway or at least it shouldn’t be to allow for excessive heat expansion when

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