CreteClean 2LB treats approx. 350 sq ft. Formulated to be an environmentally friendly concrete cleaning product.  It provides a quick new look for your old, ugly or dirty concrete. Simple to use and it works without water.  Just sweep it into the concrete.  It will penerate the pores and the stains.  The active enzymes will help to degrade your stains. It provides your concrete with a fast new fresh look.