For use in a truck mount, mix 1 quart into 5 gallons of water, set meter at 2 gallons per hour. For portable units, mix 1 to 2 ounces per gallon of water. For use as a spray rinse, mix 4 to 6 ounces per gallon; apply at the rate of 200‐500 square feet; rake into carpet. For urine stains, dilute 6 to 8 ounces per gallon; saturate and allow to dwell for 15 minutes, then extract.