Hanna 1413 uS-CM Calibration Solution -- 16 oz Perlite This coil holds 3000 ft

This coil holds 3000 ft

The 24-inch length of the Super Flex tubing ensures that water reaches a broad root zone

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Hanna 1413 uS-CM Calibration Solution -- 16 oz Perlite This coil holds 3000 ftTDS solution are produced with high quality potassium chloride in various concentrations. They are standardized using a conductivity meter calibrated with NIST potassium chloride. The 1413 ? S cm solution is the one best suited for general use. This solution is also available in combination kits with the pH 7 buffer for the easy calibration of multiparameter instruments.