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Description
Refills of the nonhazardous TesTabs® reagents used in Earth Force® Low-Cost and Standard water-testing kits (items #652567, #652568, #652569, and #652790) are sold separately. The TesTabs® refills can be used to perform 25 tests for dissolved oxygen; 50 tests for nitrate, pH, and phosphate; and 44 tests for coliform bacteria.
Refills of the nonhazardous TesTabs® reagents used in Earth Force® Low-Cost and Standard water-testing kits (items #652567, #652568, #652569, and #652790) are sold separately. The TesTabs® refills can be used to perform 25 tests for dissolved oxygen; 50 tests for nitrate, pH, and phosphate; and 44 tests for coliform bacteria.