Originally Posted by Xrrider
Never used antifreeze in water lines. I blow air through entire system wit all faucets open and low point open.
That's what I do also. I just pour a little RV antifreeze in each P-trap, a cup or two in the black tank, and a tiny bit on the toilet flapper seal. I am still using the same gallon of antifreeze I bought two years ago. I also take out the anode, let the WH dry out, and then replace the anode.
I have insect screens on my refrigerator and furnace vents and have never had a wasp or spider problem. And, since we live in a semi-arid climate, I have never needed CaCl in my RV or house. We also don't leave any vents open due to the wind-blown dust that can get through our vent covers.
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