API WIDE RANGE pH TEST KIT
Quickly and accurately measures the pH of pond water, reading pH levels from 5.0 to 9.0. Makes 160 tests. Prevents the harmful effects of too alkaline/too acidic pond water resulting from minerals found in tap water, high ammonia levels in the pond, rain runoff or overstocking of pond fish. Includes test solution, glass test tube w/ cap, color chart instructions.