Young Enterprises Microbial Powder is utilized for direct applications to the contaminated area and is either pre-mixed with water (fresh or salt) or wetted down after being applied to the area. Once the microbes and water have been applied, the area can be scrubbed down and washed off or in natural areas, simply left to break down the containment. The microbes after doing their job will be eaten by other organisms or die off. Typical loose powder applications at 1 pound per 100 square feet include: - On surfaces in industrial/commercial settings where spills or oily build-up has occurred such as on concrete, parking lots, airports - On soils or grassy areas or other natural surfaces where a spill has occurred - For direct