The reagents should be used before the expiration date shown on the package. If the reagents are to be used after the expiration date they should be checked with an accurate standard solution to insure the reliability of the reagents. The reagents should be stored in a cool place. The color comparator strip should not be exposed to strong light sources for an extended length of time to prevent fading of the colors. Test water five different ways to protect fish from dangerous water conditions.
Ammonia test uses improved salicylate instead of nessler reagents which can give false readings.
Hardness Kit features 4 test tubes, a waterproof holding tray for testing bottles, and test tube rack. Tests pH levels from 6.0 to 7.6. Tests ammonia levels from 0 to 8 ppm. Test development time of only 5 minutes. Good for both saltwater and freshwater tests.