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Oakton pH tester has an easy-to-clean glass-bulb electrode
Get accurate pH readings quickly with this waterproof Oakton pH tester. The moist store, glass-bulb sensor on the Oakton pH tester is replaceable; if it ever wears out, you simply replace the sensor at about half the cost of a new pH meter. Automatic temperature compensation and push-button calibration make this Oakton pH tester easy to use in all situations. Includes one pint each of 4 pH and 7 pH calibration solution. Meter is 6-1/2"L x 1-1/2"W. Imported.
2016 Master Catalog: Page 465