Measure your pool or hot tub chemicals quickly, easily and accurately Reduce the expense of overdosing or the reduction in effectiveness from underdoing Accurately measure chemicals to ensure clean water, correct PH levels and prolong the life of your pool or spa Avoid any possible cross contamination by specific tools for each type of chemical Set contains 2 measuring jugs, 1 mixing rod, 3 measuring spoons (5 ml, 10 ml and 50 ml)