API 5 In 1 Aquarium Test Strips SmallAnimalSubstrateBrand_Living World Natural antioxidants provide immune system

Natural antioxidants provide immune system support

5" x 7" x 9")

Available in fun colors and patterns

The Catit Nylon Tie-Out is made from durable snag-proof nylon material

With three times the fun

API 5 In 1 Aquarium Test Strips SmallAnimalSubstrateBrand_Living World Natural antioxidants provide immune systemAPI 5 IN 1 TEST STRIPS are the quick and easy way to test the 5 most important aquarium water parameters pH, KH, GH, nitrate, and nitrite in one easy step. Simply dip one test strip directly into the aquarium, and compare the colors on the strip to the color card provided to help prevent invisible water problems that can be harmful to fish. Each kit includes detailed information on how to interpret the test results and correct unsafe water conditions.