Zep Commercial® ZULFFS5G Heavy Duty Floor Stripper Concentrate, 5-GallonPro 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. Size: 5 Gallon Concentrate Commercial low foam Makes up to 45 gallon Covers up to 1,250