Used to Clean, degrease and etch surfaces prior to painting. Turns traditional 3-step process into a simple 1-step process. This product can be used on bare concrete, Gunite, Marcite, bare fiber-glass, plaster, and painted surfaces. Depending on the surface, one gallon is enough to clean and etch up to 700 sq. ft.

For Bare Concrete, Marcite, Gunite, and Plaster: Mix 1 gallon of PREP MAGIC with 2 gallons of water. Always use a water-filled plastic container before pouring in the PREP MAGIC. This will clean and etch approximately 400 square feet.

For Bare Fiberglass and Painted Surfaces: Mix 1 gallon of PREP MAGIC with 4 gallons of water. Always use a water-filled plastic container before pouring in the PREP MAGIC. This will clean and etch approximately 700 square feet. Prep Magic also works great for cleaning dirty or clogged filter cartridges! A must have for any paint job!