API 5-in-1 Test Strips
API® 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.
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This product has multiple variants. The options may be chosen on the product page
Seachem pH Alert
Seachem Ammonia Alert
Ammonia Alert® is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures are needed. It lasts over a year. This product is not recommended for use at acid pH. Marine or freshwater use.