Restaurant Grease Traps:
Apply 5 gallons of DrainMaster to any drain that leads directly to the trap monthly. Daily application is recommended via a timed-metering pump.
Apply 4 oz. of DrainMaster twice weekly directly to problem area for 4 weeks, or until buildup and odor are gone.
Apply 4 oz. DrainMaster directly to the problem area monthly
All Other Drains:
Apply 2 oz. DrainMaster monthly to avoid buildup and odor. Flush with warm water.