Measures nitrate, nitrite, pH, GH, KH, and chlorine

Results in 15 to 60 seconds

Available in two sizes: 25 and 200 tests

Frequently testing your water quality is one of the keys to successful fishkeeping. We developed the Aquarium Co-Op Multi-Test Strips to be fast, comprehensive, and accurate — which makes testing your aquarium water easier than ever. Measure nitrate, nitrite, hardness (GH), buffer (KH), pH, and chlorine levels in just 60 seconds.