pH/TDS Meters

13 products

Showing 1 - 13 of 13 products

Hydroponic growing requires precise monitoring of pH and Total Dissolved Solids (TDS).

We offer a variety of pH and TDS meters from leading brands like HM Digital Instruments. These quality meters are designed for both home and commercial use, and come in a variety of styles.

If you want one-time disposable strips, our most popular pH/TDS option are the Rapitest Soil Test Kit from Luster Leaf.

Showing 1 - 13 of 13 products

HM Digital PH-80 pH/Temperature Meter - HM Digital - Happy Hydro

HM Digital HM Digital PH-80 pH/Temperature Meter

$41.95

Bluelab pH Pen, Waterproof - Bluelab - Happy Hydro

Bluelab Bluelab pH Pen, Waterproof

$99.95

Active Air 2 Way pH & Moisture Meter - Active Air - Happy Hydro

Active Air Active Air 2 Way pH & Moisture Meter

$12.95

Digital Soil pH Meter - Luster Leaf - Happy Hydro

Luster Leaf Digital Soil pH Meter

$18.95

Active Air 3 Way Meter - Active Air - Happy Hydro

Active Air Active Air 3 Way Meter

$13.95

HM Digital AquaPro TDS/Temperature Meter - HM Digital - Happy Hydro

HM Digital HM Digital AquaPro TDS/Temperature Meter

$34.95

HM Digital 1000 ppm TDS Calibration Solution 3 oz (90 ml) - HM Digital - Happy Hydro

HM Digital HM Digital 1000 ppm TDS Calibration Solution 3 oz (90 ml)

$8.95

Bluelab PPM Pen, EC TDS Temp, Waterproof - Bluelab - Happy Hydro

Bluelab Bluelab PPM Pen, EC TDS Temp, Waterproof

$94.45

HM Digital PH-200 Waterproof pH/Temperature Meter - HM Digital - Happy Hydro

HM Digital HM Digital PH-200 Waterproof pH/Temperature Meter

$89.95

Digital Moisture Meter - Luster Leaf - Happy Hydro

Luster Leaf Digital Moisture Meter

$17.95

Bluelab Bluelab Probe Care Kit, pH & Conductivity

$34.95

Bluelab Bluelab pH Pen and Conductivity Pen Starter Pack, Waterproof

$199.00

Rapitest Soil Test Kit - Luster Leaf - Happy Hydro

Luster Leaf Rapitest Soil Test Kit

$18.95

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pH/TDS Meters

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