Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

Hydro Crop Shop

Bluelab ORP Meter

Bluelab ORP Meter

Hydro Crop Shop

Bluelab ORP Meter

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

£188.45£219.95

14% off

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Quantity

1

Description

Know exactly how clean your water really is The Bluelab ORP Meter measures oxidation-reduction potential — the single reading that tells you how much sanitising power is left in your solution. pH and EC tell you what is in the water; ORP te...

Delivery & Returns

Returns accepted within 14 days

Exclusions may apply. See full policy

Hydro Crop Shop

4.3 (9)

You might also like

Bluelab Conductivity Probe Care Kit with blue cleaning tube, calibration sachets, plastic cup, and chamois cloth.

Happy Hydro

Bluelab Probe Care Kit, Conductivity

CFL Bulbs

Hydro Crop Shop

CFL Bulbs

Optical Dissolved Oxygen Meter 1

Sper Scientific Direct

Optical Dissolved Oxygen Meter

Bluelab Multimedia pH Meter (Leap Probe Included) - BetterGrow Hydro

17% off

BetterGrow Hydro

Bluelab Soil pH Meter (Soil pH Probe Included)

(1)

5% off

Hydro City

Bluelab Replacement pH Probe

Omega 1000w Infinity LED Grow Light

38% off

Hydro Crop Shop

Omega 3.0 Infinity Pro LED Grow Light 1000W

£499.95£799.99

Bluelab pH Pen

6% off

Canada Grow Supplies

Bluelab pH Pen

(3)

CA$158.95CA$169.99

12% off

Hydro City

Bluelab Guardian Monitor

Ona Gel 20kg (Various Scents) — Pro

6% off

Hydro Crop Shop

Ona Gel 20kg (Various Scents)

£168.95£179.95

Advanced pH Meter | Sper Scientific Direct

Sper Scientific Direct

Advanced pH Meter

(1)

8% off

Canada Grow Supplies

Bluelab Guardian Monitor Wi-Fi

CA$589.95CA$639.99

14% off

Canada Grow Supplies

Bluelab OnePen

CA$335.95CA$389.99

21% off

Hydro City

Bluelab Probe Care pH & Conductivity

Grotek Cal-Max 1L

Hydro Crop Shop

Grotek Cal-Max

Bluelab Combo Meter - main

Sylvane

Bluelab Combo Meter

HydroPros

Bluelab Combo Meter

Bluelab OnePen.jpg

GroWorks

Bluelab OnePen

(1)

Bluelab pH Probe

11% off

Canada Grow Supplies

Bluelab pH Probe

(4)

CA$124.95CA$139.99

16% off

Hydro City

Bluelab pH Pen

15% off

One Stop Grow Shop

Bluelab pH Pen - Temperature Compensated Digital pH Tester

(2)

Ionic Hydro Bloom One Part Soft Water Hydroponic Nutrient — 1 Litre

Hydro Crop Shop

Ionic Hydro Bloom One Part Soft Water Hydroponic Nutrient

Bluelab Soil pH Pen main image

10% off

GrowersHouse

Bluelab Soil pH Pen | Root Zone pH Meter

(2)

GrowersHouse

Bluelab pH + PPM Complete Starter Kit with Storage + Calibration Solution

EasyFeed® Small Tray

Hydro Crop Shop

EasyFeed® Small Tray

Bluelab OnePen - With replaceable pH, Conductivity (EC) & Temperature Pro Main Image

GrowersHouse

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

Omega Infinity 3.0 LED 600W

43% off

Hydro Crop Shop

Omega 3.0 Infinity Pro LED Grow Light 600W

£313.95£549.99

17% off

Hydro City

Bluelab Combo Meter

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

(12)

Bluelab EC Pen

Hydro Crop Shop

Bluelab EC Pen

Bluelab Combo Meter (PH, EC, TDS)

12% off

Canada Grow Supplies

Bluelab Combo Meter PH, EC, TEMP

CA$439.95CA$499.99

Bluelab ORP Meter - BetterGrow Hydro

17% off

BetterGrow Hydro

Bluelab ORP Meter

34% off

growshop.co.nz

pH Controller Automatic Dosing - bluelab ®

Growth Technology KCL pH Probe Storage Solution for Meters

Hydro Crop Shop

Growth Technology KCL pH Probe Storage Solution for Meters

1% off

IGH SUPPLY

Bluelab pH Pen

OptiClimate Revomax II Grow Room Air Conditioner

Hydro Crop Shop

OptiClimate Revomax II Grow Room Air Conditioner

Bluelab Guardian Monitor

7% off

Cultivate Supply

Bluelab Guardian Monitor

Jug Dealers Official Store

Bluelab pH Pen

Sun System RS1850 720W LED Grow Light Fixture

Hydro Crop Shop

Sun System RS1850 720W LED Grow Light Fixture

Hydro City

Bluelab OnePen

15% off

Hydro City

Bluelab Combo Plus Meter - Probe Included

Canna Mono Trace Mix

Hydro Crop Shop

Canna Mono Trace Mix

BLUELAB Nutrient Mangement Bluelab Soil PH Pen - The Hydro Bros

13% off

The Hydro Bros

Bluelab Soil PH Pen

(1)

29% off

Cheap and Easy Hydro Store

Bluelab Combo Meter with Leap pH Probe

BLUELAB Nutrient Mangement Bluelab pH Pen - The Hydro Bros

12% off

The Hydro Bros

Bluelab pH Pen

(2)

Light Extension IEC Cable — 3 Metre

Hydro Crop Shop

Light Extension IEC Cable

Ionic pH Buffer 7 Calibration Solution

Hydro Crop Shop

Buffer 7 pH Calibration Solution

Omega 720W Plus LED

41% off

Hydro Crop Shop

Omega 720W Plus LED

£117.95£199.95

Growth Technology Cactus Focus Liquid Plant Feed

Hydro Crop Shop

Growth Technology Cactus Focus Liquid Plant Feed

Bluelab pH Pen

Hydro Crop Shop

Bluelab pH Pen

White and blue digital conductivity pen with LCD screen displaying 2.5 EC and 20°C, shown from a front-facing angle.

Happy Hydro

Bluelab PPM Pen, EC TDS Temp, Waterproof

(3)

ORP - 200 HM Digital Professional Grade ORP Handheld Meter - US Water Systems

40% off

US Water Systems

ORP-200 HM Digital Professional Grade ORP Handheld Meter

11% off

Perris Hydroponics

Bluelab® pH Probe for Solutions

Bluelab PeriPod M3 Automatic Nutrient Doser

Hydro Crop Shop

Bluelab PeriPod M3 Automatic Nutrient Doser

Aquarius Water digital Redox ORP testing meter measuring water oxidation-reduction potential with digital display.

Alkaline World

Digital Redox ORP testing meter

20% off

growshop.co.nz

pH Pen - pH and Temperature Meter - bluelab ®

(2)

20% off

GroWorks

Bluelab pH Pen

(4)

Essentials pH Meter for Hydroponic Nutrient Solution

Hydro Crop Shop

Essentials pH Meter for Hydroponic Nutrient Solution

Gold Label Soil A+B two part base nutrient 5L

Hydro Crop Shop

Gold Label Soil A+B

Omega Black 600W Ballast

Hydro Crop Shop

Omega Black 600w Ballast

Trimzilla Quick Cut Leaf 18in Automatic Power Trimmer

Hydro Crop Shop

Trimzilla Quick Cut Leaf 18in Automatic Power Trimmer

Bluelab Combo Meter

Hydro Crop Shop

Bluelab Combo Meter

Dissolved Oxygen Meter Kit | Sper Scientific Direct

Sper Scientific Direct

Dissolved Oxygen Meter Kit

Bluelab Original Truncheon PPM Nutrient Meter - HydroPros

HydroPros

Bluelab Original Truncheon PPM Nutrient Meter

15% off

Modern Farms

Bluelab® pH Pen Meter - Measures pH and Temperature

(1)

Omega 4ft T5 432W 8-Tube Propagation Light

Hydro Crop Shop

Omega 4ft T5 432W 8-Tube Propagation Light

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)

Bluelab Combo Meter with pH probe and conductivity probe, handheld pH, EC and temperature tester for hydroponics

GrowersHouse

BlueLab Combo Meter

Bluelab pH Pen, waterproof handheld pH and temperature meter with replaceable probe

GrowersHouse

Bluelab pH Pen | Waterproof pH & Temperature Meter, 0.0-14.0 pH

Phresh Professional Carbon Filters

Hydro Crop Shop

Phresh Professional Carbon Filters

Omega 4ft T5 2 Tube Propagation Light for Cuttings

Hydro Crop Shop

Omega 4ft T5 2 Tube Propagation Light for Cuttings

Advanced Nutrients OG Organics Iguana Juice Bloom

Hydro Crop Shop

Advanced Nutrients OG Organics Iguana Juice Bloom

Advanced Light Meter | Sper Scientific Direct

Sper Scientific Direct

Advanced Light Meter

(1)