pH Meters

BlueLab Guardian Monitor BlueLab Guardian Monitor
free shipping

BlueLab Guardian Monitor

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

BlueLab Combo Meter, PPM & PH

$259.35 $298.00
BlueLab Soil pH Meter w/ Probe BlueLab Soil pH Meter w/ Probe
free shipping

BlueLab Soil pH Meter w/ Probe

$199.75 $245.00
BlueLab Grower's Toolbox BlueLab Grower's Toolbox
free shipping

BlueLab Grower's Toolbox

$179.95 $199.00
Bluelab pH Pen Bluelab pH Pen
free shipping

Bluelab pH Pen

$99.85 $112.50
Bluelab Connect Range Extender Bluelab Connect Range Extender
free shipping

Bluelab Connect Range Extender

$142.75 $164.00
Bluelab Connect Stick Bluelab Connect Stick
free shipping

Bluelab Connect Stick

$132.40 $151.70
Bluelab Guardian Connect Bluelab Guardian Connect
free shipping

Bluelab Guardian Connect

$393.00 $450.00
Bluelab pH Controller Connect Bluelab pH Controller Connect
free shipping

Bluelab pH Controller Connect

$499.85 $629.99
 Hanna GroChek pH/EC/TDS/C Portable meter  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 Hanna GroChek pH/EC/TDS/Temp. Combo
free shipping

Hanna GroChek pH/EC/TDS/Temp. Combo

$241.80 $278.99
Bluelab Replacement Probes for BlueLab Models Bluelab Replacement Probes for BlueLab Models
free shipping

Bluelab Replacement Probes for BlueLab Models

$69.00 $102.99
HM Replacement pH Sensor PH-200 HM Replacement pH Sensor PH-200
free shipping

HM Replacement pH Sensor PH-200

$43.65 $45.00
HM Digital pH 80 HM Digital pH 80
free shipping

HM Digital pH 80

$59.90 $62.95
HM Digital Waterproof EC/TDS/TEMP Combo Meter HM Digital Waterproof EC/TDS/TEMP Combo Meter
free shipping

HM Digital Waterproof EC/TDS/TEMP Combo Meter

$74.35 $76.95
HM Digital Waterproof pH Meter Model PH-200 HM Digital Waterproof pH Meter Model PH-200
free shipping

HM Digital Waterproof pH Meter Model PH-200

$89.85 $114.95
Oakton Combo PTtester35 TDS/pH Waterproof Tester Oakton Combo PTtester35 TDS/pH Waterproof Tester
free shipping

Oakton Combo PTtester35 TDS/pH Waterproof Tester

$167.85 $192.95
Bluelab External Lockout and Alarm Box Bluelab External Lockout and Alarm Box
free shipping

Bluelab External Lockout and Alarm Box

$62.20 $64.95
Bluelab Leap pH Probe Bluelab Leap pH Probe
free shipping

Bluelab Leap pH Probe

$128.30 $132.95
Bluelab Multimedia pH Meter (Leap Probe Included) Bluelab Multimedia pH Meter (Leap Probe Included)
free shipping

Bluelab Multimedia pH Meter (Leap Probe Included)

$230.30 $249.00
Bluelab PeriPod L3 Bluelab PeriPod L3
free shipping

Bluelab PeriPod L3

$1,754.15 $2,199.00
Bluelab PeriPod M3 Bluelab PeriPod M3
free shipping

Bluelab PeriPod M3

$752.65 $899.00
Bluelab PowerPod Bluelab PowerPod
free shipping

Bluelab PowerPod

$482.55 $549.00
Bluelab Pro Controller Bluelab Pro Controller
free shipping

Bluelab Pro Controller

$848.95 $1,099.00
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