TDS Meter Digital Water Tester, Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More

Choose from our selection of ppm meters, including water-quality test strips, air particle counters, and more. Same and Next Day Delivery.

6 in 1 pH PPM H2 EC ORP Temp Water Quality Meter - Digital pH PPM ORP EC Monitor for Hydroponic & Kombucha

PH Meter, TDS PPM Meter and 3 in 1 Soil Moisture Meter Combo, High Accuracy Lab PH/EC Tester Digital Kit [Upgraded] for Home Water, Hydroponics, Plants Garden Soil and Aquarium PH Pen

The Hanna Instruments HI98301 DiST ® 1 is a low-range total dissolved solids tester than can measure up to 2000 ppm (mg/L). The DiST ® 1 is a rugged and reliable pocket-sized tester for use in the lab or field.

Expert gardeners use TDS meters to dial in the amount of nutrients to a specific plant type to achieve the best results possible. PPM meters are also helpful to check how much nutrients is left in the grow medium by testing the run off.

TDS Meter Digital Water Tester - ppm Meter, EC & Temperature Test Pen 3-in-1 | Easy to Use Water Quality Tester | Ideal for Testing RO Drinking Water Hydroponics Aquarium Swimming Pool & More (Green)