ZEP® COMMERCIAL HEAVY-DUTY FLOOR STRIPPER CONCENTRATE – GALLON BOTTLE, 4 BOTTLES/CASE – ZULFFS128 PRO-LEVEL HARD SURFACE FLOOR MAINTENANCE BEGINS WITH REMOVING THE EXISTING ACRYLIC FINISH. ZEP® COMMERCIAL HEAVY-DUTY FLOOR STRIPPER GOES ON QUICKLY WITH A COTTON MOP OR SCRUBBING MACHINE, THEN DIGS DEEP TO REMOVE STUBBORN FINISHES AND HEAVY BUILDUP. THE AMMONIA-FREE, HIGH-ALKALINE FORMULA IS CONCENTRATED SO ONE GALLON MAKES NINE GALLONS OF FLOOR STRIPPING SOLUTION.