ph controller

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Aquarium pH Electrodes

1,836 results

Hydroponics BNC Connector PH Electrode Probe PH Controller Electrode ph Meter
Brand new · Unbranded
£8.76
Free postage
Click & Collect
Growth Technology Ph Down Controllers Nutrients Hydroponics Solution Aquarium
Brand new · Growth Technology
£9.99 to £64.99
Free postage
1,159 sold
Growth Technology Ph Up Controllers Nutrients Aquarium Hydroponics
Brand new · Growth Technology
£8.99 to £10.50
Free postage
304 sold
Bluelab pH, Pro Controller or Replacement Part - Automated pH & Nutrient Control
Brand new · Bluelab
£67.00
Free postage
Growth Technology pH Up & Down Water Control Solution Hydroponics 1L 5L
Brand new · Growth Technology
£12.95 to £54.45
Free postage
111 sold
Essentials Lab pH+/pH- pH UP & pH DOWN 250ml/1L Hydroponics pH Control Solution
Brand new · Essentials
£6.93 to £12.40
Free postage
102 sold
Growth Technology pH Up & Down Water Control Solution Hydroponics 250ml 1L 5L
Brand new · Growth Technology
£6.99 to £24.99
Free postage
275 sold
PH Electrode Probe BNC Connector Aquarium PH Controller Meter Tester Sensor
Brand new · Unbranded
£15.99
Free postage
Click & Collect
298 sold
Essentials pH Down 250ml pH Control 30% Phosphoric Hydroponics
Brand new · Essentials
(16)
£8.99
Free postage
Only 3 left
Eheim pH Control+e Wireless pH Controller Set Aquarium Smart WiFi Control
Brand new · EHEIM
£53.89 to £204.09
Free postage
Click & Collect
15 watching
Reef Factory Ph Meter and Monitor with Calibration Fluid.
Pre-owned
£52.68
£2.94 P&P
1 bid
5d 15h
Bluelab pH Controller connect Wi-Fi - Monitor Automatic Ph Solution Dosing
Pre-owned · Bluelab
£409.58
or Best Offer
£4.26 P&P
Eheim pH Control +e Wireless pH Smart controller for CO2 Systems
Brand new · EHEIM
£134.99
Free postage
Click & Collect
17 watching
PH Down — Gentle PH Control for Aquariums. Shrimp & Plant Safe 100ml
Brand new
£6.99
(£0.07/100ml)
Free postage
Essentials pH and EC Meter Pen Bundle Nutrient Management Control Hydroponics
Brand new · Essentials
(12)
£88.99
Free postage
Industrial Online PH Meter PH Controller ORP Sensor Electrode Probe Tester Conti
Brand new
£68.99 to £349.99
Free postage
Essentials pH Up 250ml pH Control 50% Potassium Hydroxide Hydroponics
Brand new · Essentials
(9)
£6.99
Free postage
169 sold
Dennerle ph Controller and heater
Pre-owned · Dennerle
£106.76
£4.26 P&P
8 in1 WIFI Smart Monitor Fish Tank Pool Water Quality Meter PH ORP EC PPM Tester
Brand new · Unbranded
£98.39
or Best Offer
Free postage
Essentials pH Up Down Acidity Control Adjustment Solutions Hydroponics 250ml 1L
Brand new · Essentials
£6.95 to £52.95
(£7.95/L)
Free postage
110 sold
Growth Technology pH Down - Precision pH Control for Nutrient Solutions
Brand new · Growth Technology
£14.99
Free postage
BDS Water Quality PH Controller Online PH Control Meter Tester PH-201 PAIR
Pre-owned · Unbranded
£146.28
or Best Offer
£4.48 P&P
BIOBIZZ ORGANIC pH UP & pH DOWN Control 250ml Bottles Twin Pack + Ph Test Kit
Brand new · Biobizz
£15.95
Free postage
274 sold
Neptune Systems Apex A3 Pro Head unit only.
Pre-owned
£312.68
or Best Offer
Free postage
PH Controller / Regulator for Aquarium / Pool pH Meter (pH-301)
Brand new · eco+
£86.74
£11.31 P&P
8 watching
Dennerle ph Controller
Pre-owned · Dennerle
£125.48
or Best Offer
Free postage
Seneye Reef USB Aquarium Controller - Good Working Condition but Slides expired
Pre-owned · seneye
(4)
£52.67
or Best Offer
£2.94 P&P
0 bids
8d 22h
Bluelab pH Controller Connect, Connect Stick, Guardian Monitor & Connect inline
Brand new · Bluelab
£139.95 to £599.95
Free postage
Click & Collect
BioBizz Down Bio Bizz pH- Regulators Controller Organic Nutrients Hydroponics 1L
Brand new · Biobizz
£15.40
Free postage
JBL Pro Flora pH Sensor Set (2021) Quality Electrode for pH-Control Test
Brand new · JBL
(1)
£59.99
Free postage
Click & Collect
PH-301 Digital PH Controller Ph Meter Water Purity Tester Acidity Detector with
Brand new
£76.99 to £82.99
Free postage
Click & Collect
Cole-Parmer pH/ORP 500 Temperature Controller 00110
Pre-owned
£220.00
(£220.00/Unit)
or Best Offer
Free postage
Click & Collect
BIOBIZZ ORGANIC pH UP & pH DOWN Control 250ml or 1 Litre Bottles Twin Pack
Brand new · Biobizz
£13.95 to £31.85
Free postage
Bluelab pH Controller Connect - Monitor Automatic Ph Solution Dosing Lcd Display
Brand new · Bluelab
£589.95
Free postage
Click & Collect
19 sold
Growth Tech pH Down - Precise pH Control for Hydroponic Systems
Brand new · Growth Technology
£9.99 to £19.99
Free postage
pH Electrode with BNC Male for Dennerle Ph Controller
Brand new
(1)
£39.91
£6.87 P&P
BOTANIXX PH UP & OR DOWN 1Ltr 5Ltr - Hydro, Coco, Soil.
Brand new
£10.45 to £44.95
(£44.95/L)
Free postage
Tetra Pond Water Balance 500ml Stabilise PH & Reduce Phosphate
Brand new · Tétra
(4)
£14.95
Free postage
Click & Collect
PH CONTROLLER WITH PUMP KONTROL01 PROSYSTEM AQUA S.L.
Brand new · Aqua
£210.59
£21.19 P&P
3 in 1 Ph/Tds/Temp Meter PH-2826 Detector Ph Controller with Electrode BNC Type
Brand new
£76.99 to £78.99
Free postage
Click & Collect
MENSURA pH Electrode pH Sample for pH Controller Dennerle JBL Bluelab GHL TUNZE
Brand new
£39.91
£8.60 P&P
Indica Nutrients Ph Up Controllers Nutrients Aquarium Hydroponics Grow 250ml
Brand new
£6.99
or Best Offer
Free postage
Growth Technology pH Down 1L – Accurate pH Control for Hydroponics & Soil
Brand new · Growth Technology
£19.99
Free postage
PS4 PS5 Controller & Console Opening Screwdriver Tool Kit Set - PH00 + T8
Brand new
£3.25
Free postage
210 sold
Bluelab pH Pen Hydroponic Aquarium pH Meter monitor hydroponics nutrient control
Brand new · Bluelab
£94.95
Free postage
39 sold
1L Indica Nutrients Ph Up Controllers Nutrients Aquarium Hydroponics Growing
Brand new
£10.49
or Best Offer
Free postage
PH Electrode Probe + Module BNC Aquarium Controller Meter Tester Sensor Arduino
Brand new
£18.99
(£18.99/Unit)
Free postage
Click & Collect
Hydroponic Aqualine PH Stick Pen Control Nutrient Management Meter Stick
Brand new
£39.50
Free postage
3 watching
80 PH Test Strips Paper Full PH Meter PH Controller 1-14st Indicator Test Paper
Brand new · Unbranded
£2.70
(£2.70/Unit)
Free postage
HYDROFEED pH UP/pH Control Powder Makes 500ml, Safer for Hydroponics & Aquariums
Brand new
£3.50
£1.80 P&P
62 sold
Essentials pH And EC Meter Pen Bundle Nutrient Management Hydroponics
Brand new · Essentials
(12)
£94.99
Free postage
Only 2 left
Weipro PH2010A PH meter and controller, PH online monitor, good quality reliable
Brand new
£83.99
Free postage
Essentials LAB pH Control Kit 250ML & PH Test Kit & 3ml Pipette Hydroponics
Brand new · Essentials
£16.95
Free postage
Envii Pond Equaliser Pond pH KH & GH Buffer Stabiliser Adjuster Removes Ammonia
Brand new · Envii
(4)
£15.95 to £31.95
Free postage
Click & Collect
589 sold
Seneye Pond USB Monitoring System Temp Ammonia pH Light Koi Fish UK SEN000042 UK
Brand new
£156.97
Free postage
Click & Collect
Aquarium PH Controller Meter Tester Sensor PH Electrode Probe BNC Connector UK
Brand new · Unbranded
£10.82
Free postage
Essentials PH/EC Meter Pen Nutrient Water Testers Hydroponics Nutrient Control
Brand new · Essentials
£47.50 to £89.95
Free postage
Click & Collect
Aquarium co2/pH Controller (precision probe) complete kit for Co2 delivery
New (other)
£208.68
£3.45 P&P
Click & Collect
Aquatronica Aquarium Controller
Pre-owned
£363.68
or Best Offer
£8.41 P&P
PH-301 Digital Ph Controller Meter Tester with Optional HI/LO Action 0.00~14.00P
Brand new
£93.99
Free postage

ph controller

Shop by category

1,836 results

Hydroponics BNC Connector PH Electrode Probe PH Controller Electrode ph Meter

Growth Technology Ph Down Controllers Nutrients Hydroponics Solution Aquarium

Growth Technology Ph Up Controllers Nutrients Aquarium Hydroponics

Bluelab pH, Pro Controller or Replacement Part - Automated pH & Nutrient Control

Growth Technology pH Up & Down Water Control Solution Hydroponics 1L 5L

Essentials Lab pH+/pH- pH UP & pH DOWN 250ml/1L Hydroponics pH Control Solution

Growth Technology pH Up & Down Water Control Solution Hydroponics 250ml 1L 5L

PH Electrode Probe BNC Connector Aquarium PH Controller Meter Tester Sensor

Essentials pH Down 250ml pH Control 30% Phosphoric Hydroponics

Eheim pH Control+e Wireless pH Controller Set Aquarium Smart WiFi Control

Reef Factory Ph Meter and Monitor with Calibration Fluid.

Bluelab pH Controller connect Wi-Fi - Monitor Automatic Ph Solution Dosing

Eheim pH Control +e Wireless pH Smart controller for CO2 Systems

PH Down — Gentle PH Control for Aquariums. Shrimp & Plant Safe 100ml

Essentials pH and EC Meter Pen Bundle Nutrient Management Control Hydroponics

Industrial Online PH Meter PH Controller ORP Sensor Electrode Probe Tester Conti

Essentials pH Up 250ml pH Control 50% Potassium Hydroxide Hydroponics

Dennerle ph Controller and heater

8 in1 WIFI Smart Monitor Fish Tank Pool Water Quality Meter PH ORP EC PPM Tester

Essentials pH Up Down Acidity Control Adjustment Solutions Hydroponics 250ml 1L

Growth Technology pH Down - Precision pH Control for Nutrient Solutions

BDS Water Quality PH Controller Online PH Control Meter Tester PH-201 PAIR

BIOBIZZ ORGANIC pH UP & pH DOWN Control 250ml Bottles Twin Pack + Ph Test Kit

Neptune Systems Apex A3 Pro Head unit only.

PH Controller / Regulator for Aquarium / Pool pH Meter (pH-301)

Dennerle ph Controller

Seneye Reef USB Aquarium Controller - Good Working Condition but Slides expired

Bluelab pH Controller Connect, Connect Stick, Guardian Monitor & Connect inline

BioBizz Down Bio Bizz pH- Regulators Controller Organic Nutrients Hydroponics 1L

JBL Pro Flora pH Sensor Set (2021) Quality Electrode for pH-Control Test

PH-301 Digital PH Controller Ph Meter Water Purity Tester Acidity Detector with

Cole-Parmer pH/ORP 500 Temperature Controller 00110

BIOBIZZ ORGANIC pH UP & pH DOWN Control 250ml or 1 Litre Bottles Twin Pack

Bluelab pH Controller Connect - Monitor Automatic Ph Solution Dosing Lcd Display

Growth Tech pH Down - Precise pH Control for Hydroponic Systems

pH Electrode with BNC Male for Dennerle Ph Controller

BOTANIXX PH UP & OR DOWN 1Ltr 5Ltr - Hydro, Coco, Soil.

Tetra Pond Water Balance 500ml Stabilise PH & Reduce Phosphate

PH CONTROLLER WITH PUMP KONTROL01 PROSYSTEM AQUA S.L.

3 in 1 Ph/Tds/Temp Meter PH-2826 Detector Ph Controller with Electrode BNC Type

MENSURA pH Electrode pH Sample for pH Controller Dennerle JBL Bluelab GHL TUNZE

Indica Nutrients Ph Up Controllers Nutrients Aquarium Hydroponics Grow 250ml

Growth Technology pH Down 1L – Accurate pH Control for Hydroponics & Soil

PS4 PS5 Controller & Console Opening Screwdriver Tool Kit Set - PH00 + T8

Bluelab pH Pen Hydroponic Aquarium pH Meter monitor hydroponics nutrient control

1L Indica Nutrients Ph Up Controllers Nutrients Aquarium Hydroponics Growing

PH Electrode Probe + Module BNC Aquarium Controller Meter Tester Sensor Arduino

Hydroponic Aqualine PH Stick Pen Control Nutrient Management Meter Stick

80 PH Test Strips Paper Full PH Meter PH Controller 1-14st Indicator Test Paper

HYDROFEED pH UP/pH Control Powder Makes 500ml, Safer for Hydroponics & Aquariums

Essentials pH And EC Meter Pen Bundle Nutrient Management Hydroponics

Weipro PH2010A PH meter and controller, PH online monitor, good quality reliable

Essentials LAB pH Control Kit 250ML & PH Test Kit & 3ml Pipette Hydroponics

Envii Pond Equaliser Pond pH KH & GH Buffer Stabiliser Adjuster Removes Ammonia

Seneye Pond USB Monitoring System Temp Ammonia pH Light Koi Fish UK SEN000042 UK

Aquarium PH Controller Meter Tester Sensor PH Electrode Probe BNC Connector UK

Essentials PH/EC Meter Pen Nutrient Water Testers Hydroponics Nutrient Control

Aquarium co2/pH Controller (precision probe) complete kit for Co2 delivery

Aquatronica Aquarium Controller

PH-301 Digital Ph Controller Meter Tester with Optional HI/LO Action 0.00~14.00P

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