Ammonia, constantly released into the aquarium, is the number one killer of tropical fish. Fast, easy and accurate, this test kit measures ammonia levels from 0 to 7 ppm.

Mars Fishcare is an industry leading manufacturer and international supplier of a complete line of aquarium and pond products. We manufacture and sell hundreds of products across many different product categories, including Aquarium and Pond Treatments, Aquarium Equipment, Aquariums and Fish Nutrition. We produce just about everything to meet the needs of aquarium owners and pond keepers.