Insta-Test Test Strips,3 in L,1-4 in W,PK50 2996

Test Strips, Test Form Strip, Overall Length 3 in, Test Type Test Strips, Testing Parameter One Nitrate, Nitrite, Overall Width 1/4 in, Parameter Measurements Included 0 to 10 ppm Nitrite, 0 to 50 ppm Nitrate, Number of Tests 50, pH Resolution Not Applicable, Test Detects For Nitrate, Nitrite, Includes Color Chart Label, Parameter Five Measurements Included Not Applicable, Parameter Four Measurements Included Not Applicable, Parameter Three Measurements Included Not Applicable