Thats what we do,,, pour the correct amount into a hose, hook it up to a water source, and force it into the fresh water tank... Then run your pump with both hot and cold faucets open.... We just did this today... No way on ours for gravity fill...
Monkey
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Monkey, pilot of a Great Dane hauler,
2015 Silverado 2500 Duramax/Alison 4x4 CrewCab 2016 Cougar 28SGS
1ST CAV
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