Blast Hot Water Skid Mount such as efflorescence 19 Pure Acrylic Concrete ITD-LP05 Valves Size:55 Gal

such as efflorescence

heavy duty Italian ball valve is found at the base of the spray gun and used as a temporary shutoff while the pressure washer is on

re-apply Oh No You Didn't and re-wash

This will allow for the chemical to work on the surface dirt and not be absorbed into a dry porous surface

Do a scratch test after a few minutes to determine if the build-up has softened

Blast Hot Water Skid Mount such as efflorescence 19 Pure Acrylic Concrete ITD LP05 Valves Size:55 Gal such as efflorescence heavy duty Italian ball valve is found at the base of the spray gun and used as a temporary shutoff while the pressure washer is on