API - 5 In 1 Aquarium Test Strips - 25 Test Strips Brand_JW Pet Active Ingredients: Titanium Dioxide (4

Active Ingredients: Titanium Dioxide (4

two to five times per day

ultra-plush

pins and needles sensations

Fits most foot sizes

API - 5 In 1 Aquarium Test Strips - 25 Test Strips Brand_JW Pet Active Ingredients: Titanium Dioxide (4DESCRIPTION API 5 in 1 Aquarium Test Strips are the quick and easy way to test the 5 most important 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