Originally Posted by Wiscampsin
After flushing and emptying mine I close the valve about 30 seconds while the sprayer is still going, then open the valve again. Remember to always add a couple gallons of water after you flush/drain.
This is how I use mine as well.
I also added a flush to my gray tank and it has helped get kitchen food and grease bits, as well as soap scum, off the walls.
Lou and Laura with Bella - German Short Hair Pointer
2008 GMC Sierra 2500HD Crewcab SB Allison Duramax
2010 Flagstaff 8526RLWS - Superglide 3300
HAM CALLSIGN - KC3FFW