All pH & EC Measurement

Aqua Master pH 7.00 Calibration Solution 100 ML - Indoor Farmer

Aqua Master pH 7.00 Calibration Solution 500 ML - Indoor Farmer

Aqua Master Tools Aqua Master pH 7.00 Calibration Solution

From $7.95

In stock

Aqua Master P700 Pro 2 - Replacement pH Probe (Electrode) - Indoor Farmer

Aqua Master Tools Aqua Master Replacement pH Probe (Electrode) with BNC Connector

$79.95

In stock

Save $35.00

Aqua Master S300 Pro 2 - Substrate pH/Temp Meter - Indoor Farmer

Aqua Master Tools Aqua Master S300 Pro 2 - Substrate pH/Temp Meter

$149.95 $184.95

In stock

ATHENA PRO Balance 4.5KG (10LB) - Indoor Farmer

Athena ATHENA PRO Balance

From $119.95

In stock

Bluelab 2.77 EC Conductivity Solution 500 ml - Indoor Farmer

Bluelab Bluelab 2.77 EC Conductivity Solution

$26.95

In stock

Bluelab 4.0 pH Calibration Solution 500 ml - Indoor Farmer

Bluelab Bluelab 4.0 pH Calibration Solution

$29.95

In stock

Bluelab 7.0 pH Calibration Solution 500 ml - Indoor Farmer

Bluelab Bluelab 7.0 pH Calibration Solution

$29.95

In stock

S/O Bluelab Combo Meter pH, EC, Temp - Indoor Farmer

Bluelab Bluelab Combo Meter pH, EC, Temp

$399.95

In stock

Bluelab Combo Meter PLUS pH, EC, Temp - Indoor Farmer

Bluelab Bluelab Combo Meter with Leap pH Probe - pH, EC, Temp

$449.95

Sold out

Bluelab Conductivity Pen (EC or PPM) - Indoor Farmer

Bluelab Bluelab Conductivity Pen (EC or PPM)

$129.95

In stock

Bluelab Guardian Monitor Wi - Fi - Indoor Farmer

Bluelab Bluelab Guardian Monitor Wi-Fi

$549.95

In stock

Bluelab OnePen (pH, EC and Temperature) - Indoor Farmer

Bluelab Bluelab OnePen (pH, EC and Temperature)

$339.95

In stock

Bluelab pH & Conductivity Probe Care Kit - Indoor Farmer

Bluelab Bluelab pH & Conductivity Probe Care Kit

$44.95

In stock

Save $40.00

Bluelab pH Controller Wi - Fi - Indoor Farmer

Bluelab Bluelab pH Controller Wi-Fi

$799.95 $839.95

In stock

Bluelab Bluelab pH Pen

$164.95

In stock

Bluelab pH Probe KCI Storage Solution 250 ml - Indoor Farmer

Bluelab Bluelab pH Probe KCI Storage Solution

$34.95

In stock

Bluelab Replacement Leap pH Probe - Indoor Farmer

Bluelab Bluelab Replacement Leap pH Probe

$189.95

In stock

Bluelab Replacement pH Probe - Indoor Farmer

Bluelab Bluelab Replacement pH Probe

$124.95

In stock

Bluelab Truncheon Nutrient Meter (EC/TDS) - Indoor Farmer

Bluelab Bluelab Truncheon EC+TDS Nutrient Meter

$179.95

In stock

Future Harvest Citric pH Down 1 L - Indoor Farmer

Future Harvest Citric pH Down 4 L - Indoor Farmer

Future Harvest Future Harvest Citric pH Down

From $11.95

Sold out

General Hydroponics pH Down Professional 1 GAL - Indoor Farmer

General Hydroponics General Hydroponics pH Down Professional

$55.95

In stock

General Hydroponics pH Up Professional 1 GAL - Indoor Farmer

General Hydroponics General Hydroponics pH Up Professional

$55.95

In stock

Hanna Buffer Solution HI7004L pH4 (500 ml) - Indoor Farmer

Hanna Hanna Buffer Solution HI7004L pH4 (500 ml)

$25.95

In stock

Hanna Buffer Solution HI7007L pH7 (500 ml) - Indoor Farmer

Hanna Hanna Buffer Solution HI7007L pH7 (500 ml)

$25.95

In stock