MultiShock is a highly effective buffered shock and oxidizer that is easy and convenient to use in the routine super chlorination of swimming pools. This product also kills harmful bacteria, aids in algae control and helps keep the pool clean and clear. This product also leaves beneficial chlorine residual in the water that continually destroys organic contaminants entering the pool. MultiShock allows bathers to enjoy the benefits of a healthy pool environment with the least amount of effort. When used as directed, this product removes organic waste, producing sparkling, clean swimming pool water.