API Test Strips - 5 in 1 (4 tests)
Just dip and read! Aquarium water testing has never been easier.
Measures pH, Nitrite, Nitrate, Carbonate & General Hardness
Highly accurate color charts for precise test results
Chart colors are distinctive, making the test results easy to read
Superior moisture protection packaging to ensure testing accuracy
all sealed, no damage, good contact with seller.