Even if you blow the lines with air, you still have to use the pink antifreeze. Be sure you put a couple of cups in each drain and holding tanks. Also put some in the toilet which keeps the seal moisten. Read the manual there are no short cuts.
2014 Ram 1500 CrewCab 4x4 5.7 Hemi 3.92 Rear and Air Lift 1000
2005 Jayco Jay Feather LGT - 29Y GVWR-6500 lbs.
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ALJO 'Forever Young @ Heart' provide on their travels Music Entertainment to Senior Care Homes