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Miscellaneous Supplies for Composting
The HI 98129 Combo waterproof tester offers high accuracy pH, EC/TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements.
The HI 98130 Combo waterproof tester offers high accuracy pH, EC/TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements.
HI 8424N is a microprocessor- based pH meter. HI 8424N can also measure ORP in the mV range using ORP electrodes (available separately).
The waterproof pHep 4 tester has a dual-level LCD that displays pH and C or F. At startup, pHep performs a self check then displays the remaining battery level to assure proper working condition. (note image is of the pHep5 tester with 0.01 accuracy)
The waterproof pHep 5 tester has a dual-level LCD that displays pH and C or F. At startup, pHep performs a self check then displays the remaining battery level to assure proper working condition.
The pHep pocket tester revolutionized pH measurement by providing everyone with a simple, inexpensive pocket pH tester. The design of these testers also features a larger LCD so measurements are easier to read from any angle.