10
A. Mix 2 gallons (7.5 liters) of milkstone remove solution
according to the directions on the container and pump
through the mix line.
B. Cut a piece of sponge slightly larger than the inside
diameter of the mix line. Place the sponge inside the
mix line and force through with tap water pressure. A
garden hose repair end clamped to the mix line works
well for this purpose.