Test Strip; Test Form Strip; Overall Length 4 in; Test Type Test Strips; Testing Parameter One Total Hardness; Iron; pH; Total Chlorine; Overall Width 1/4 in; Parameter Measurements Included 0 to 10 ppm Iron; 0 to 400 ppm Total Hardness; 0 to 5 ppm Total Chlorine; 4 to 9 pH; Number of Tests 50; pH Resolution 1.0 pH; Test Detects For Iron; pH; Total Chlorine; Total Hardness; Includes Color Chart Label; Parameter Five Measurements Included Not Applicable

Test Strip; Test Form Strip; Overall Length 3 in; Test Type Test Strips; Testing Parameter One pH; Total Chlorine; Overall Width 1/4 in; Parameter Measurements Included 0 to 50 ppm Total Chlorine; 4 to 10 pH; Number of Tests 25; pH Resolution 1.0 pH; Test Detects For pH; Total Chlorine; Includes Color Chart Label; Parameter Five Measurements Included Not Applicable; Parameter Four Measurements Included Not Applicable; Parameter Three Measurements Included Not Applicable

Test Strip; 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