Expand the lifetime of your Oakton pH tester by keeping these replacement sensors on hand. These pH testers work with Oakton's line of 10, 20, and 30 series pHTestrs (OK3563410, OK3563420, and OK3563430).
Expand the lifetime of your Oakton pH tester by keeping these replacement sensors on hand. These pH testers work with Oakton's line of 10, 20, and 30 series pHTestrs (OK3563410, OK3563420, and OK3563430).