Checker 1 Economical pH Tester

Item Number: 6436

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Measure pH levels with the Checker 1pH Tester. It offers a replaceable pH electrode & works for 3,000 hours before changing batteries.

Easy to recalibrate using the adjustment screws on top of the unit body.

We recommend both 4.01 and 7.01 buffer solutions for recalibration and storage solution to prolong the life of the electrode.

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