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This roll of pH paper is quick, easy to use and ideal for several water field tests. The dispenser allows you to perform a seamless cut of the paper in different dimensions, according to your needs. It includes color chart to compare the results from 0 to 12 pH in increments of 1.0 pH.

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This durable, waterproof tester measures pH and temperature (in °C or °F). The tester is designed to float and features automatic temperature compensation, automatic calibration, a HOLD function, efficient two-button operation, and a stability indicator. Other features include automatic shut-off to conserve battery power, display of battery percentage during startup, and a Battery Error Prevention System. Includes tester, pH electrode, electrode removal tool, batteries, and instructions.

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Based on light refraction in liquid, this compact refractometer accurately display percentages of dissolved sugar ppt/specific gravity in liquid. Simply place a few drops of sample liquid on the specially angled lens and peer through the adjustable eyepiece.

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Based on light refraction in liquid, this compact refractometer accurately display percentages of dissolved salt ppt/specific gravity in liquid.

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For measuring the depth of water in wells, boreholes and standpipes, Solinst Model 101 Water Level Meters are the most accurate and reliable. They are sturdy, easy to repair and read to 1/100' or 1mm.