Haviland Durachlor Activator PlusThe Durachlor Activator Plus is designed to make taking care of your pool easier and to make your water more refreshing. This product helps maintain water balance longer, so the you can spend less time balancing chemicals. Regular use of this product will improve filter efficiency, and save you money from using less chemicals in your water. Makes water feel softer Water will require less chemicals Spend less time balancing chemicals and save more money