HM Digital TDS-4 Pocket-Size TDS Meter 5 micron filter cartridge Accuracy: ±2% Full Scale

Accuracy: ±2% Full Scale

MA9016 — Electrode cleaning solution (soak 20 minutes for thorough cleaning)

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Store bottles in a cool

and greenhouse growers

HM Digital TDS-4 Pocket-Size TDS Meter 5 micron filter cartridge Accuracy: ±2% Full ScaleA TDS tester that's ideal for all water purification applications, drinking water testing, pools & spas, fresh water aquariums, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket at all times! Features The smallest and lightest TDS meter on the market. Sleek design is perfect for personal or consumer use. Advanced microprocessor technology. Hold Function: saves measurements for convenient reading