I put the docking station in power fill then pour the needed treatment in the hose, connect it and turn on the water. The treatment goes straight into the tank. Never bothered with the suction method.
Earl
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2017 Eagle 293RKDS, factory ordered, lots of mods and upgrades. More than I can list.
2018 Ram 3500 crew cab long bed SRW diesel 6spd Aisin 4wd Tradesman.
B&W Ram puck 5th wheel
Line-X premium
Mopar wheel to wheel steps
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