Test Strips, Test Form Strip, Test Type Test Strips, Testing Parameter One Silver, Parameter Measurements Included 50 to 1,000 ppb Silver, Number of Tests 50, pH Resolution Not Applicable, Test Detects For Silver, Parameter Five Measurements Included Not Applicable, Parameter Four Measurements Included Not Applicable, Parameter Three Measurements Included Not Applicable, Parameter Two Measurements Included Not Applicable, Testing Parameter Four Not Applicable