85 products

GroLine Waterproof Hydroponic pH Tester HI98118 GroLine Waterproof Hydroponic pH Tester HI98118
Hanna

GroLine Waterproof Hydroponic pH Tester HI98118

$115.95
GroLine Hydroponics pH Tester HI98115 GroLine Hydroponics pH Tester HI98115
Sold out
Hanna

GroLine Hydroponics pH Tester HI98115

$63.49
GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester combo meter HI98131 GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester combo meter HI98131
Hanna

GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester combo meter HI98131

$235.95
Digital Aquarium Thermometer

Digital Aquarium Thermometer

$4.95
AC Infinity Climate Sensor for Controller 69 AC Infinity Climate Sensor for Controller 69
AC Infinity

AC Infinity Climate Sensor for Controller 69

$15.99 - $21.99
Blumat Support Stakes Blumat Support Stakes
Blumat

Blumat Support Stakes

$0.88
Luster Leaf Rapitest Digital 3-Way Analyzer
Luster Leaf

Luster Leaf Rapitest Digital 3-Way Analyzer

$34.95
HM Digital pH Electrode storage solution - 60 cc
HM Digital

HM Digital pH Electrode storage solution - 60 cc

$8.95
HM Digital Pen style pH/Temp meter
HM Digital

HM Digital Pen style pH/Temp meter

$44.95
HM Digital TDS 1000 ppm Calibration Solution HM Digital TDS 1000 ppm Calibration Solution
HM Digital

HM Digital TDS 1000 ppm Calibration Solution

$1.50 - $9.95
AC Infinity CO2 CONTROLLER AC Infinity CO2 CONTROLLER
AC Infinity

AC Infinity CO2 CONTROLLER

$129.00
AC Infinity Replacement Probes AC Infinity Replacement Probes
AC Infinity

AC Infinity Replacement Probes

$34.99 - $69.99
Blumat Digital Moisture Meter Blumat Digital Moisture Meter
Blumat

Blumat Digital Moisture Meter

$94.49