Step 1 Attach Attach garden hose to back of sprayer with valve in “OFF” position. Step 2 Rinse Turn on water. Turn the valve to “RINSE” position and spray the surface. Step 3 Clean Turn the valve to “CLEAN” position and apply to surface, working from top to bottom. Allow to work for 5-10 minutes. Step 4 Rinse Turn the valve to “Rinse” position and spray the surface. FINISHED!