Combination pH/EC Meters

BlueLab Guardian Monitor
free shipping

BlueLab Guardian Monitor

$319.65 $364.00
BlueLab Combo Meter, PPM & PH
free shipping

BlueLab Combo Meter, PPM & PH

$259.35 $298.00
Bluelab Meter Carry Case Bluelab Meter Carry Case
free shipping over $149

Bluelab Meter Carry Case

$22.50 $25.00
BlueLab Grower's Toolbox
free shipping

BlueLab Grower's Toolbox

$179.95 $199.00
Hanna GroChek pH/EC/TDS/C Portable meter
free shipping

Hanna GroChek pH/EC/TDS/C Portable meter

$239.75 $283.95
Hanna GroChek pH/EC/TDS/Temp. Combo
free shipping

Hanna GroChek pH/EC/TDS/Temp. Combo

$209.90 $246.95
Bluelab Replacement Probes for BlueLab Models
free shipping

Bluelab Replacement Probes for BlueLab Models

$69.00 $102.99
HM Digital Waterproof EC/TDS/TEMP Combo Meter
free shipping

HM Digital Waterproof EC/TDS/TEMP Combo Meter

$74.35 $76.95
Oakton Combo PTtester35 TDS/pH Waterproof Tester
free shipping

Oakton Combo PTtester35 TDS/pH Waterproof Tester

$167.85 $192.95
Autopilot Digital PH Controller
free shipping

Autopilot Digital PH Controller

$319.95 $369.95
Autopilot pH Controller Sampling Kit
free shipping

Autopilot pH Controller Sampling Kit

$71.85 $74.95
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