HM Digital TDS-3 Handheld TDS Meter With Carrying Case, 0 - 9990 ppm TDS Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy auspowers_batchone Rivets with caps for safety

Rivets with caps for safety

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HM Digital TDS-3 Handheld TDS Meter With Carrying Case, 0 - 9990 ppm TDS Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy auspowers_batchone Rivets with caps for safetyHM Digital TDS 3 Handheld TDS Meter With Carrying Case, 0 9990 ppm TDS Measurement Range, 1 ppm Resolution, + 2% Readout Accuracy A TDS meter (aka ppm pen, nutrient tester, tds stick) is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS = Total Dissolved Solids, which is any salt, metal or mineral in the water. With the push of a button, the TDS 3 can tell you your overall water purity level, which will be