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Hanna GroLine Soil pH Tester

Hanna GroLine Soil pH Tester

Hanna Instruments

$146.95
Hanna HI98107 Pocket pH Tester with 0.1 Resolution - pHep®

Hanna HI98107 Pocket pH Tester with 0.1 Resolution - pHep®

Hanna Instruments

$67.95
Hanna HI98127N pH/Temperature Tester - pHep®4

Hanna HI98127N pH/Temperature Tester - pHep®4

Hanna Instruments

$113.95
Hanna HI98129N Black Combo Tester

Hanna HI98129N Black Combo Tester

Hanna Instruments

$202.95
Hanna HI98301 DiST® 1 Waterproof TDS Tester (0-2000 ppm)

Hanna HI98301 DiST® 1 Waterproof TDS Tester (0-2000 ppm)

Hanna Instruments

$70.95
Hanna pH 4 Buffer 500ml

Hanna pH 4 Buffer 500ml

Hanna Instruments

$19.95
Hanna pH 7 Buffer 500ml

Hanna pH 7 Buffer 500ml

Hanna Instruments

$19.95
Hanna pH Electrode Storage Solution 500 mL

Hanna pH Electrode Storage Solution 500 mL

Hanna Instruments

$22.95
Hanna Soil Test™ Direct Soil Conductivity Tester

Hanna Soil Test™ Direct Soil Conductivity Tester

Hanna Instruments

$144.95
HM Digital Replacement Probe for pH

HM Digital Replacement Probe for pH

Hawthorne Gardening co.

$54.95
HM Digital™ Handheld TDS Tester Model TDS-3

HM Digital™ Handheld TDS Tester Model TDS-3

Hawthorne Gardening co.

$32.95
HM Digital™ pH Meter Model PH-80

HM Digital™ pH Meter Model PH-80

Hawthorne Gardening co.

$54.95
HM Digital™ Waterproof pH Meter Model PH-200

HM Digital™ Waterproof pH Meter Model PH-200

Hawthorne Gardening co.

$111.95
Light Meter- Digital

Light Meter- Digital

Hydrofarm

$57.95
Luster Leaf Digital Moisture Meter

Luster Leaf Digital Moisture Meter

Hawthorne Gardening co.

$15.95
Luster Leaf Rapitest pH Soil Tester

Luster Leaf Rapitest pH Soil Tester

Hydrofarm

$12.95
Luster Leaf® Rapitest® 2 Way Analyzer Luster Leaf® Rapitest® 2 Way Analyzer

Luster Leaf® Rapitest® 2 Way Analyzer

Hawthorne Gardening co.

$32.95
Luster Leaf® Rapitest® Soil Test Kit Model 1601

Luster Leaf® Rapitest® Soil Test Kit Model 1601

Hawthorne Gardening co.

$24.95
Milwaukee Instruments pH Tester Model pH600 AQ

Milwaukee Instruments pH Tester Model pH600 AQ

Hawthorne Gardening co.

$42.95
Mini Small Digital Electronic Temperature Humidity Meters Gauge Indoor Thermometer Mini Small Digital Electronic Temperature Humidity Meters Gauge Indoor Thermometer

Mini Small Digital Electronic Temperature Humidity Meters Gauge Indoor Thermometer

Paradise Superstore

$3.95
Mondi Mini Thermo-Hygrometer Mondi Mini Thermo-Hygrometer

Mondi Mini Thermo-Hygrometer

Paradise Superstore

$21.95
pH Test Kit General Hydroponics®

pH Test Kit General Hydroponics®

Paradise Superstore

$8.95
pH/Moisture Meter Active Air 2-Way

pH/Moisture Meter Active Air 2-Way

Hawthorne Gardening co.

$11.95
Quantum PAR Meter

Quantum PAR Meter

Hydrofarm

$164.95