Aquarium Meters & Controllers

5,712 results

Digital LCD Thermometer Aquarium Fish Tank Vivarium Water UK Seller
Brand new
(110)
£3.69
Free postage
4,465 sold
Probe Tube Holder Hose, OHP, PH, Temperature - Aquarium Reef Marine
Brand new
£12.16 to £16.84
Free postage
Click & Collect
Aquarium Fish Tank Gauge Touch Screen Digital Thermometer Temperature Sensor
Brand new · Unbranded
£3.55 to £8.98
Free postage
$Handheld Refractometer for Marine Aquarium Fish Tank Salinity Testing Salt Meter - Image 1 of 1$
Handheld Refractometer for Marine Aquarium Fish Tank Salinity Testing Salt Meter
Brand new
£19.99
Free postage
Click & Collect
338 sold
Reef Factory KH Keeper Plus Aquarium Alkalinity Tester
Pre-owned
£141.12
(£141.12/Unit)
or Best Offer
£4.26 P&P
AQUARIUM THERMOMETER FOR FISH TANK BREW WINDOW LCD FLAT ADHESIVE STRIP [2/1]
Brand new
£1.55
Free postage
2,247 sold
STICK ON DIGITAL THERMOMETER ADHESIVE AQUARIUM FISH TANK WINDOW WATER STRIP *UK
Brand new · Unbranded
£2.28 to £9.95
Free postage
1,158 sold
FLUVAL 2-in-1 DIGITAL THERMOMETER MEASURES WATER & ROOM TEMPERATURE AQUARIUM
Brand new · Fluval
(63)
£10.99
Free postage
Click & Collect
643 sold
Aquarium Fish Tank Temperature Thermometers Digital & Analogue Stick On °C & °F
Brand new
£1.99 to £6.49
Free postage
840 sold
Fish Tank Tropical Aquarium Thermometer Floating Tempered Glass Sucker Easy Read
Brand new
£3.29
Free postage
190 sold
Superfish Aquarium Thermometer Tropical Fish Tank Temperature Easy to Use
Brand new · Superfish
(15)
£3.75
Free postage
1,147 sold
Digital LCD Thermometer Aquarium Fish Tank Vivarium Water UK Seller
Brand new · Unbranded
£3.31
Free postage
53 sold
LCD DIGITAL THERMOMETER FOR FISH TANK WATER, FRIDGE FREEZER TEMPERATURE, 2 Meter
Brand new
£3.95
Free postage
255 sold
Reef Factory KH Keeper Plus Aquarium Alkalinity Tester
Brand new
£363.72
(£363.72/Unit)
or Best Offer
£12.47 P&P
10 watching
Solar LCD Digital Thermometer for Fish Tank Tropical Marine Aquarium
Brand new
£12.99
Free postage
Click & Collect
51 sold
Ista Mini Glass Thermometer Submersible Temperature Meter Nano Tank Aquarium
Brand new
£4.29
Free postage
124 sold
FLUVAL EDGE THERMOMETER EXTERNAL STICK ON DIGITAL AQUARIUM FISH TANK
Brand new · Fluval
(40)
£3.75
Free postage
2,791 sold
Aquarium Thermometer Glass Precise Fish Tank Temperature Submersible BT-02
Brand new · Unbranded
(19)
£2.49
Free postage
114 sold
Thermometer Adhesive Sticker Black LCD Flat Strip Window Fish Tank Aquarium
Brand new
£2.15 to £11.95
Free postage
55 sold
Digital Water Aquarium Thermometer LCD Fish Tank Electronic Reptile Gauge Meter
Brand new · Unbranded
£4.68
(£4.68/Unit)
Free postage
Oase Aquarium Digital Thermometer Temperature Gauge Easy LCD Display Fish Tank
Brand new · Oase
(48)
£9.75
Free postage
Click & Collect
1,009 sold
DIGITAL AQUARIUM REPTILE VIVARIUM THERMOMETER WITH PROBE FREEZER UK SELLER
Brand new
£4.54
Free postage
Only 3 left
LCD STICK ON DIGITAL THERMOMETER ADHESIVE AQUARIUM FISH TANK WINDOW STRIP B2G2
Brand new · Unbranded
£1.75
Free postage
3,449 sold
Marina Aquarium Thermometers Fish Tank Tropical Marine Temperature Checking
Brand new
(5)
£3.29 to £3.75
Free postage
278 sold
GHL DOSER 2.1 SLAVE
Pre-owned
£151.52
or Best Offer
£3.94 P&P
1/2/4PCS Digital Aquarium Fish Tank Thermometer Temperature Freezer Water Gauge
Brand new
£4.21 to £13.91
(£13.91/Unit)
Free postage
104 sold
LCD Digital Thermometer Aquarium Fish Tank Vivarium Water Marine Probe UK Seller
Brand new
£3.49
Free postage
6,135 sold
LCD AQUARIUM THERMOMETER FOR FISH TANK WATER FRIDGE FREEZER TEMPERATURE
Brand new
£3.29
Free postage
572 sold
LCD Digital Aquarium Thermometer – Accurate Water Temperature Monitor for Fish T
Brand new · Unbranded
£4.49 to £5.49
(£5.49/Unit)
Free postage
Neptune Apex Trident Mini 3D Printed Casing
Brand new
£50.00
Free postage
Click & Collect
New listing3PCS Waterproof Aquarium Thermometer with Suction Cup & Large Display
Brand new · Unbranded
£31.99
(£10.66/Unit)
or Best Offer
Free postage
Ista LCD Digital Aquarium Thermometer Submersible Temperature Thermometer
Brand new
£5.99
Free postage
Click & Collect
132 sold
Juwel Digital Thermometer 3.0 Easy Read Fresh/Marine Temp Aquarium Fish Tank
Brand new · Juwel
(2)
£22.45
Free postage
Click & Collect
107 sold
LCD Digital Thermometer Aquarium Fish Tank Vivarium Water Marine Probe UK Seller
Brand new · Unbranded
£3.45
Free postage
GHL KH DIRECTOR + DOSER 2.1 STANDALONE
Pre-owned
£384.12
or Best Offer
£6.16 P&P
New listingReef Factory KH keeper
Pre-owned
£99.52
or Best Offer
£3.38 P&P
Bermuda Floating Pond Thermometer with Nylon Cord Accurate Temperature Fish Koi
Brand new · Bermuda
(29)
£8.45
Free postage
Click & Collect
1,057 sold
TRIXES Digital LCD Thermometer NEW Fish Tank Aquarium Vivarium Marine Water
Brand new
(17)
£5.99
or Best Offer
Free postage
Click & Collect
903 sold
Aquatronica Aquarium Controller
Pre-owned
£363.72
or Best Offer
£8.41 P&P
Jebao Marine Aquarium Auto Dosing Pump DP-2 /3 /4 Coral Reef Trace Element Doser
Brand new · Jebao
(2)
£64.49
Free postage
Click & Collect
Fluval Digital Thermometer Submersible Aquarium Tropical Stick-On Suction Cup
Brand new · Fluval
(17)
£9.85
Free postage
Click & Collect
258 sold
Digital LCD Thermometer Aquarium Fish Tank Vivarium Water UK Seller
Brand new · Unbranded
£3.36
Free postage
330 sold
1/2pcs Floating Aquarium Vertical Thermometer Fish Tank Glass Temperature Meter
Brand new · Unbranded
£3.10
Free postage
New listingNeptune Systems Apex Trident Water Analyzer for Marine Reef Tank Aquarium
New (other)
£312.72
£4.26 P&P
0 bids
4d 21h
10 Stick On Thermometers Fish Tank Digital Temperature Display Strips Discs
Brand new · Unbranded
£6.49
Free postage
2X DIGITAL AQUARIUM REPTILE VIVARIUM THERMOMETER WITH PROBE FREEZER UK SELLER
Brand new
£6.45
Free postage
Click & Collect
1,268 sold
Reuben Heaton Fishing Standard Casting Water Thermometer + Case
Brand new
(7)
£20.99
Free postage
Click & Collect
434 sold
Ista Hang On Glass Thermometer Aquarium Fish Tank Temperature - Very Accurate
Brand new
£4.99 to £5.49
Free postage
127 sold
Juwel Digital Thermometer 3.0 Aquarium Fish Tank LED Display Temperature
Brand new · Juwel
(2)
£22.40
Free postage
Click & Collect
Aquarium Thermometer Meter Fish Tank Water Temperature With Suction Cup Glass UK
Brand new · Unbranded
£3.19
Free postage
85 sold
D-D aquarium dual heating cooling temperature thermostat controller MOUNT ONLY
Brand new
£7.69
or Best Offer
£1.50 P&P
Click & Collect
116 sold
AQUARIUM LCD DIGITAL THERMOMETER AQUARIUM, LARGE, TEMPERATURE, FISH TANK UK
Brand new · Unbranded
£10.99
Free postage
Click & Collect
Only 2 left
ITC PARwise PAR Light Meter Get Perfect Growth Rates Wavelength Aquarium Fish
Brand new · ITC Reefculture
£219.95
Free postage
Click & Collect
Only 3 left
Xepta Auto Balance KH Keeper and Doser for Marine Fish Tanks
Pre-owned
£208.72
or Best Offer
£4.26 P&P
Waterproof Aquarium Thermometer LCD Digital Submersible Fish Tank Thermometer
Brand new · Unbranded
£3.95
or Best Offer
Free postage
148 sold
LCD DIGITAL AQUARIUM THERMOMETER ,FISH/ REPTILE,TANK WATER TEMPERATURE.
Brand new · Unbranded
£3.95
Free postage
422 sold
Digital Aquarium Temperature Gauge Fish Tank Thermometer-9.9℃~99.9℃ UK SELLER
Brand new · Unbranded
£4.79
Free postage
489 sold
Aquarium Grounding Probe, Titanium Ground Probe, ESD, electro static discharge
Brand new · Unbranded
£24.00
Free postage
Click & Collect
Twin Display External Thermometer Digital Thermometer For Aquarium Vivarium
Brand new
£8.99
Free postage
Click & Collect
ORP PROBE WITH BNC CONNECTOR, REPLACEMENT, AQUARIUM, MARINE, REDOX, ELECTRODE UK
Brand new · Unbranded
£27.99
Free postage
Click & Collect
Only 2 left

Best selling

See all

2x LCD Digital Thermometer Aquarium Fish Tank Vivarium Marine Probe UK SELLER
(110)
£3.69 New
Fluval 11193 2 in 1 Digital Aquarium Thermometer - Black
(63)
£10.99 New
Superfish Glass Aquarium Thermometer Fish Tank
(15)
£3.69 New
ITC Reefculture PARwise Smart Submersible Quantum PAR Sensor
£219.95 New
£130.72 Used
Juwel Digital Thermometer 3.0 Large Display Aquarium Temperature Gauge
(2)
£22.40 New
Seneye Reef USB Aquarium Controller - White (SEN000048)
(4)
£160.91 New
£52.72 Used
seneye V2 SWS Web Server (non Wi-fi) Connect to Smartphone Ethernet SEN000235 UK
(1)
£164.97 New
Hagen Fluval Edge Digital Aquarium Thermometer #11206
(40)
£3.75 New

Top-rated

See all

2x LCD Digital Thermometer Aquarium Fish Tank Vivarium Marine Probe UK SELLER
(110)

96% agree - Would recommend
£3.69 New
Digiflex Digital LCD Fish Aquarium Marine Vivarium Thermometer UK
(17)

87% agree - Would recommend
£1.99 New
Fluval 11193 2 in 1 Digital Aquarium Thermometer - Black
(63)

89% agree - Would recommend
£10.99 New
Oase Digital Aquarium Thermometer - Grey (43957)
(48)

92% agree - Would recommend
£9.75 New
Betta RJ020 Glass Thermometer
(46)

86% agree - Would recommend
£3.99 New
Hagen Fluval Edge Digital Aquarium Thermometer #11206
(40)

88% agree - Would recommend
£3.75 New
Bermuda Floating Pond Thermometer - BER1051
(29)

100% agree - Would recommend
£8.45 New
Superfish Glass Aquarium Thermometer Fish Tank
(15)

100% agree - Would recommend
£3.69 New

Type

Measured/Controlled Parameter

Aquarium Meters & Controllers

Shop by category

5,712 results

Digital LCD Thermometer Aquarium Fish Tank Vivarium Water UK Seller

Probe Tube Holder Hose, OHP, PH, Temperature - Aquarium Reef Marine

Aquarium Fish Tank Gauge Touch Screen Digital Thermometer Temperature Sensor

Handheld Refractometer for Marine Aquarium Fish Tank Salinity Testing Salt Meter

Reef Factory KH Keeper Plus Aquarium Alkalinity Tester

AQUARIUM THERMOMETER FOR FISH TANK BREW WINDOW LCD FLAT ADHESIVE STRIP [2/1]

STICK ON DIGITAL THERMOMETER ADHESIVE AQUARIUM FISH TANK WINDOW WATER STRIP *UK

FLUVAL 2-in-1 DIGITAL THERMOMETER MEASURES WATER & ROOM TEMPERATURE AQUARIUM

Aquarium Fish Tank Temperature Thermometers Digital & Analogue Stick On °C & °F

Fish Tank Tropical Aquarium Thermometer Floating Tempered Glass Sucker Easy Read

Superfish Aquarium Thermometer Tropical Fish Tank Temperature Easy to Use

Digital LCD Thermometer Aquarium Fish Tank Vivarium Water UK Seller

LCD DIGITAL THERMOMETER FOR FISH TANK WATER, FRIDGE FREEZER TEMPERATURE, 2 Meter

Reef Factory KH Keeper Plus Aquarium Alkalinity Tester

Solar LCD Digital Thermometer for Fish Tank Tropical Marine Aquarium

Ista Mini Glass Thermometer Submersible Temperature Meter Nano Tank Aquarium

FLUVAL EDGE THERMOMETER EXTERNAL STICK ON DIGITAL AQUARIUM FISH TANK

Aquarium Thermometer Glass Precise Fish Tank Temperature Submersible BT-02

Thermometer Adhesive Sticker Black LCD Flat Strip Window Fish Tank Aquarium

Digital Water Aquarium Thermometer LCD Fish Tank Electronic Reptile Gauge Meter

Oase Aquarium Digital Thermometer Temperature Gauge Easy LCD Display Fish Tank

DIGITAL AQUARIUM REPTILE VIVARIUM THERMOMETER WITH PROBE FREEZER UK SELLER

LCD STICK ON DIGITAL THERMOMETER ADHESIVE AQUARIUM FISH TANK WINDOW STRIP B2G2

Marina Aquarium Thermometers Fish Tank Tropical Marine Temperature Checking

GHL DOSER 2.1 SLAVE

1/2/4PCS Digital Aquarium Fish Tank Thermometer Temperature Freezer Water Gauge

LCD Digital Thermometer Aquarium Fish Tank Vivarium Water Marine Probe UK Seller

LCD AQUARIUM THERMOMETER FOR FISH TANK WATER FRIDGE FREEZER TEMPERATURE

LCD Digital Aquarium Thermometer – Accurate Water Temperature Monitor for Fish T

Neptune Apex Trident Mini 3D Printed Casing

New listing3PCS Waterproof Aquarium Thermometer with Suction Cup & Large Display

Ista LCD Digital Aquarium Thermometer Submersible Temperature Thermometer

Juwel Digital Thermometer 3.0 Easy Read Fresh/Marine Temp Aquarium Fish Tank

LCD Digital Thermometer Aquarium Fish Tank Vivarium Water Marine Probe UK Seller

GHL KH DIRECTOR + DOSER 2.1 STANDALONE

New listingReef Factory KH keeper

Bermuda Floating Pond Thermometer with Nylon Cord Accurate Temperature Fish Koi

TRIXES Digital LCD Thermometer NEW Fish Tank Aquarium Vivarium Marine Water

Aquatronica Aquarium Controller

Jebao Marine Aquarium Auto Dosing Pump DP-2 /3 /4 Coral Reef Trace Element Doser

Fluval Digital Thermometer Submersible Aquarium Tropical Stick-On Suction Cup

Digital LCD Thermometer Aquarium Fish Tank Vivarium Water UK Seller

1/2pcs Floating Aquarium Vertical Thermometer Fish Tank Glass Temperature Meter

New listingNeptune Systems Apex Trident Water Analyzer for Marine Reef Tank Aquarium

10 Stick On Thermometers Fish Tank Digital Temperature Display Strips Discs

2X DIGITAL AQUARIUM REPTILE VIVARIUM THERMOMETER WITH PROBE FREEZER UK SELLER

Reuben Heaton Fishing Standard Casting Water Thermometer + Case

Ista Hang On Glass Thermometer Aquarium Fish Tank Temperature - Very Accurate

Juwel Digital Thermometer 3.0 Aquarium Fish Tank LED Display Temperature

Aquarium Thermometer Meter Fish Tank Water Temperature With Suction Cup Glass UK

D-D aquarium dual heating cooling temperature thermostat controller MOUNT ONLY

AQUARIUM LCD DIGITAL THERMOMETER AQUARIUM, LARGE, TEMPERATURE, FISH TANK UK

ITC PARwise PAR Light Meter Get Perfect Growth Rates Wavelength Aquarium Fish

Xepta Auto Balance KH Keeper and Doser for Marine Fish Tanks

Waterproof Aquarium Thermometer LCD Digital Submersible Fish Tank Thermometer

LCD DIGITAL AQUARIUM THERMOMETER ,FISH/ REPTILE,TANK WATER TEMPERATURE.

Digital Aquarium Temperature Gauge Fish Tank Thermometer-9.9℃~99.9℃ UK SELLER

Aquarium Grounding Probe, Titanium Ground Probe, ESD, electro static discharge

Twin Display External Thermometer Digital Thermometer For Aquarium Vivarium

ORP PROBE WITH BNC CONNECTOR, REPLACEMENT, AQUARIUM, MARINE, REDOX, ELECTRODE UK

Best selling

2x LCD Digital Thermometer Aquarium Fish Tank Vivarium Marine Probe UK SELLER

Fluval 11193 2 in 1 Digital Aquarium Thermometer - Black

Superfish Glass Aquarium Thermometer Fish Tank

ITC Reefculture PARwise Smart Submersible Quantum PAR Sensor

Juwel Digital Thermometer 3.0 Large Display Aquarium Temperature Gauge

Seneye Reef USB Aquarium Controller - White (SEN000048)

seneye V2 SWS Web Server (non Wi-fi) Connect to Smartphone Ethernet SEN000235 UK

Hagen Fluval Edge Digital Aquarium Thermometer #11206

Top-rated

2x LCD Digital Thermometer Aquarium Fish Tank Vivarium Marine Probe UK SELLER

Digiflex Digital LCD Fish Aquarium Marine Vivarium Thermometer UK

Fluval 11193 2 in 1 Digital Aquarium Thermometer - Black

Oase Digital Aquarium Thermometer - Grey (43957)

Betta RJ020 Glass Thermometer

Hagen Fluval Edge Digital Aquarium Thermometer #11206

Bermuda Floating Pond Thermometer - BER1051