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Bluelab Probe Care Kit featuring calibration solutions, probe cleaners, storage solution, a brush, and clear sample cups.

Happy Hydro

Bluelab Probe Care Kit, pH & Conductivity

(3)

$29.95

18% off

Modern Farms

Bluelab® OnePen - With replaceable pH, Conductivity (EC) & Temperature Probe

(5)

$187.64$228.84

10% off

GroWell

Bluelab pH Pen

(4)

$122.00$136.00

10% off

GrowersHouse

Bluelab Soil pH Pen PENSOILPH | Direct pH & Temperature in Soil and Media

(2)

$179.11$199.00

23% off

Perris Hydroponics

Bluelab® pH 7.0 Calibration Solution (250 ml)

(1)

$9.99$13.00

10% off

One Stop Grow Shop

Bluelab pH Pen - Temperature Compensated Digital pH Tester

(2)

$122.00$136.00

Hydrobuilder

Bluelab Replacement pH Probe

$84.00

Go Green Aquaponics

Hanna Waterproof Pocket pH Tester

(1)

$59.99

21% off

Cheap and Easy Hydro Store

Bluelab Probe Care Kit - pH

$18.95$24.00

Bluelab white and blue digital pH pen with LCD screen displaying 5.9 pH and 20°C, shown against a white background.

Happy Hydro

Bluelab pH Pen, Waterproof

(13)

$99.95

8% off

Modern Farms

Bluelab® Combo Meter pH Replacement Probe - pH probe

(1)

$70.87$77.04

GroWell

Bluelab pH PenPlus & Replacement pH ProbePlus

(1)

$176.00

pH Paper - 4.6 to 6.2 For Beer - Vial of 100 Strips

MoreBeer!

pH Paper - 4.6 to 6.2 (100 Strips)

$14.99

Bluelab pH probe care kit featuring cleaning solution, calibration sachets, plastic cups, and a brush in branded packaging.

Happy Hydro

Bluelab Probe Care Kit, pH

$27.95

Monster Gardens

Bluelab Guardian Monitor Wi-Fi

$370.08

GroWell

Bluelab pH Calibration and Cleaning Kit

(1)

$27.00

One Stop Grow Shop

Bluelab - pH Calibration Solution

(7)

$14.00

BLUELAB Nutrient Management Bluelab pH PenPlus | Replaceable Probe pH Meter UK

The Hydro Bros

Bluelab pH PenPlus – pH Meter with Replaceable Probe

$162.00

21% off

Hydro City

Bluelab Probe Care pH & Conductivity

$23.00$29.00

Hilo Grow Shop

Bluelab pH 4.0 Calibration Solution

$17.49

Hydrobuilder

Bluelab pH 7.0 Calibration Solution 500 ml

(1)

$16.97

Go Grow

Bluelab Soil pH Pen – Direct pH & Temperature Testing for Soil & Coco

$216.00

MoreWine

pH Paper - 2.8 to 4.4 For Wine - Vial of 100 Strips

$14.99

24% off

IGH SUPPLY

Bluelab pH Replacement Probe 6'

$69.99$92.00

14% off

Modern Farms

Bluelab® pH Probe KCl Storage Solution - 250ml

(1)

$19.66$22.99

16% off

Hydro City

Bluelab pH Pen

$100.00$119.00

ph Paper Roll Hydrion, by Premier Research Labs

Natural Health Co.

ph Paper Roll Hydrion, 1 Pack(s), by Premier Research Labs

$10.99