Aquarium Meters & Controllers

5,856 results

New listingNeptune Systems Apex Reef Aquarium Controller with Energy Bar
Pre-owned
£312.68
or Best Offer
£4.26 P&P
Reef Factory KH Keeper Plus Aquarium Alkalinity Tester
Brand new
£363.68
(£363.68/Unit)
or Best Offer
£12.47 P&P
16 watching
Probe Tube Holder Hose, OHP, PH, Temperature - Aquarium Reef Marine
Brand new
£11.85 to £16.66
Free postage
Click & Collect
$Handheld Refractometer for Marine Aquarium Fish Tank Salinity Testing Salt Meter - Image 1 of 1$
Handheld Refractometer for Marine Aquarium Fish Tank Salinity Testing Salt Meter
Brand new
£19.99
Free postage
Click & Collect
346 sold
Superfish Aquarium Thermometer Tropical Fish Tank Temperature Easy to Use
Brand new · Superfish
(16)
£3.75
Free postage
1,213 sold
STICK ON DIGITAL THERMOMETER ADHESIVE AQUARIUM FISH TANK WINDOW WATER STRIP *UK
Brand new · Unbranded
£2.28 to £9.95
Free postage
1,211 sold
Digital LCD Thermometer Aquarium Fish Tank Vivarium Water UK Seller
Brand new
(111)
£3.69
Free postage
4,528 sold
FLUVAL 2-in-1 DIGITAL THERMOMETER MEASURES WATER & ROOM TEMPERATURE AQUARIUM
Brand new · Fluval
(63)
£10.99
Free postage
Click & Collect
656 sold
Aquarium Fish Tank Temperature Thermometers Digital & Analogue Stick On °C & °F
Brand new
(3)
£1.99 to £6.49
Free postage
1,038 sold
Digital LCD Thermometer Aquarium Fish Tank Vivarium Water
Brand new · Unbranded
£3.36
Free postage
56 sold
Fish Tank Tropical Aquarium Thermometer Floating Tempered Glass Sucker Easy Read
Brand new
£3.29
Free postage
295 sold
Digital LCD Thermometer Aquarium Fish Tank Vivarium Water UK Seller
Brand new · Unbranded
£3.36
Free postage
124 sold
LCD DIGITAL THERMOMETER FOR FISH TANK WATER, FRIDGE FREEZER TEMPERATURE, 2 Meter
Brand new
£3.95
Free postage
289 sold
Aquarium Thermometer Digital Fish Tank Thermometer Wireless Accurate Temperature
Brand new · Unbranded
£7.91 to £8.51
£3.59 P&P
Solar LCD Digital Thermometer for Fish Tank Tropical Marine Aquarium
Brand new
£12.99
Free postage
Click & Collect
55 sold
Ista Auto Top Off Float Valve ATO Adjustable Water Flow Cut Off Valve
Brand new
£7.99
Free postage
Click & Collect
68 sold
DIGITAL AQUARIUM REPTILE VIVARIUM THERMOMETER WITH PROBE FREEZER UK SELLER
Brand new
£4.54
Free postage
2,275 sold
STICK ON DIGITAL THERMOMETER ADHESIVE AQUARIUM FISH TANK LCD WATER STRIP *UK
Brand new
£1.40 to £6.75
Free postage
149 sold
LCD Aquarium Temperature Digital Strip Fish Tank Fresh and Tropical
Brand new · Unbranded
£2.87
Free postage
108 sold
Juwel Digital Thermometer 3.0 Easy Read Fresh/Marine Temp Aquarium Fish Tank
Brand new · Juwel
(3)
£22.45
Free postage
Click & Collect
120 sold
Aquarium Thermometer Glass Precise Fish Tank Temperature Submersible BT-02
Brand new · Unbranded
(19)
£2.49
Free postage
126 sold
Digital Water Aquarium Thermometer LCD Fish Tank Electronic Reptile Gauge Meter
Brand new · Unbranded
£4.39
(£4.39/Unit)
Free postage
53 sold
LCD AQUARIUM THERMOMETER FOR FISH TANK WATER FRIDGE FREEZER TEMPERATURE
Brand new
£3.29
Free postage
597 sold
Waterproof Aquarium Thermometer LCD Digital Submersible Fish Tank Thermometer
Brand new · Unbranded
£3.95
or Best Offer
Free postage
169 sold
Neptune Apex A2 Marine Aquarium Water Monitoring Kit Marine Aquarium
Pre-owned
£312.68
£4.48 P&P
Fish Tank Tropical Aquarium Thermometer Floating Tempered Glass Sucker Easy Read
Brand new
£2.97
or Best Offer
Free postage
Neptune Systems Double Trident Stand
Brand new
£26.68
or Best Offer
£2.94 P&P
New listingNeptune Systems Apex Energy Bar 832 / EB832 New
Brand new
£102.00
£15.00 P&P
Click & Collect
2 bids
2d 9h
ITC PARwise PAR Light Meter Get Perfect Growth Rates Wavelength Aquarium Fish
Brand new · ITC Reefculture
£219.95
Free postage
Click & Collect
Only 1 left.
SENEYE HOME V6 WATER MONITORING AMMONIA pH LIGHT TEMP USB AQUARIUM FISH TANK
Brand new
(6)
£109.99
Free postage
Click & Collect
Only 2 left
Thermometer Adhesive Sticker Black LCD Flat Strip Window Fish Tank Aquarium
Brand new
£2.15 to £11.95
Free postage
65 sold
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
12 watching
Digital LCD Thermometer Aquarium Fish Tank Vivarium Water Temperature UK Seller
Brand new · Unbranded
£2.86 to £3.36
Free postage
2X DIGITAL AQUARIUM REPTILE VIVARIUM THERMOMETER WITH PROBE FREEZER UK SELLER
Brand new
£6.45
Free postage
Click & Collect
1,278 sold
Oase Aquarium Digital Thermometer Temperature Gauge Easy LCD Display Fish Tank
Brand new · Oase
(48)
£9.75
Free postage
Click & Collect
1,017 sold
TRIXES Digital LCD Thermometer NEW Fish Tank Aquarium Vivarium Marine Water
Brand new
(17)
£5.99
or Best Offer
Free postage
Click & Collect
911 sold
Fluval 2 In 1 Digital Aquarium Thermometer BNIB SEALED
Brand new · Fluval
£8.63
or Best Offer
£2.72 P&P
Only 1 left.
Aquarium Fish Tank Gauge Touch Screen Digital Thermometer Temperature Sensor
Brand new · Unbranded
£5.99
Free postage
Aquarium Thermometer Digital Fish Tank Thermometer Wireless Accurate Temperature
Brand new · Unbranded
£7.36 to £7.43
(£7.40/Unit)
£3.59 P&P
Twin Display External Thermometer Digital Thermometer For Aquarium Vivarium
Brand new
£8.99
Free postage
Click & Collect
New listingNeptune Systems AFS
Pre-owned
£32.56
£3.38 P&P
0 bids
2d 15h
1/2/4PCS Digital Aquarium Fish Tank Thermometer Temperature Freezer Water Gauge
Brand new
£4.21 to £13.91
(£4.21/Unit)
Free postage
459 sold
Digital Aquarium Thermometer Fish Tank Vivarium Water Marine, Tropical Stick On
Brand new
£5.89
Free postage
86 sold
Marina Aquarium Thermometers Fish Tank Tropical Marine Temperature Checking
Brand new
(5)
£3.29 to £3.75
Free postage
282 sold
Ista Hang On Glass Thermometer Aquarium Fish Tank Temperature - Very Accurate
Brand new
£4.99 to £5.49
Free postage
136 sold
AQUARIUM LCD DIGITAL STICK ON THERMOMETER FISH TANK ADHESIVE WINDOW WATER STRIP
Brand new
(13)
£3.45
Free postage
1,176 sold
LCD Digital Thermometer Aquarium Fish Tank Vivarium Water Marine Probe UK Seller
Brand new
£3.49
Free postage
6,142 sold
4X DIGITAL AQUARIUM REPTILE VIVARIUM THERMOMETER WITH PROBE FREEZER UK SELLER
Brand new
£10.45
Free postage
Click & Collect
293 sold
biOrb MCR Remote for HALO 15L Replacement Colour Control Aquarium Fish Tank OASE
Brand new · biOrb
£5.99
Free postage
Click & Collect
304 sold
Interpet Deltatherm 100W Aquarium / Fish Tank Heater - Opened Never Used
New (other) · Interpet
£8.64
or Best Offer
£2.94 P&P
LCD STICK ON DIGITAL THERMOMETER ADHESIVE AQUARIUM FISH TANK WINDOW STRIP B2G2
Brand new · Unbranded
£1.75
Free postage
3,503 sold
FLUVAL EDGE THERMOMETER EXTERNAL STICK ON DIGITAL AQUARIUM FISH TANK
Brand new · Fluval
(40)
£3.75
Free postage
2,805 sold
Ista Mini Glass Thermometer Submersible Temperature Meter Nano Tank Aquarium
Brand new
£4.29
Free postage
129 sold
Aquarium Thermometer Stick On LCD Fish Tank Strip Sticker Easy Read Temperature
Brand new · Unbranded
£2.19 to £7.69
Free postage
263 sold
Fluval Digital Thermometer Submersible Aquarium Tropical Stick-On Suction Cup
Brand new · Fluval
(17)
£9.85
Free postage
Click & Collect
264 sold
Aquarium stick on thermometer, Aquarium Temperature gauge
Brand new · Unbranded
£1.68
Free postage
Digital Aquarium Thermometer LED Display Touch Screen Water Temperature Meter
Brand new · Unbranded
£3.99
Free postage
Digital Aquarium Thermometer LED Display Touch Screen Water Temperature Meter
Brand new · Unbranded
£4.99
Free postage
Aquarium Thermometer Digital Fish Tank Thermometer Wireless Accurate Temperature
Brand new · Unbranded
£8.15 to £8.51
£3.59 P&P
Aquarium Thermometer Digital Fish Tank Thermometer Wireless Accurate Temperature
Brand new · Unbranded
£8.40 to £8.47
£3.59 P&P

Best selling

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Top-rated

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2x LCD Digital Thermometer Aquarium Fish Tank Vivarium Marine Probe UK SELLER
(111)

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
Betta RJ020 Glass Thermometer
(46)

86% agree - Would recommend
£3.99 New
Superfish Glass Aquarium Thermometer Fish Tank
(16)

100% agree - Would recommend
£3.69 New
$DD Aquarium Solutions ATC Seawater Refractometer - AQPR001$
DD Aquarium Solutions ATC Seawater Refractometer - AQPR001
(7)

100% agree - Would recommend
£36.80 New
£15.29 Used
Fluval Celcius Digital Aquarium Thermometer With Suction Cup
(17)

72% agree - Would recommend
£7.50 New
Interpet Easy Read Aquarium Thermometer 1509
(15)

57% agree - Would recommend
£6.37 New

Type

Measured/Controlled Parameter

Aquarium Meters & Controllers

Shop by category

5,856 results

New listingNeptune Systems Apex Reef Aquarium Controller with Energy Bar

Reef Factory KH Keeper Plus Aquarium Alkalinity Tester

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

Handheld Refractometer for Marine Aquarium Fish Tank Salinity Testing Salt Meter

Superfish Aquarium Thermometer Tropical Fish Tank Temperature Easy to Use

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

Digital LCD Thermometer Aquarium Fish Tank Vivarium Water UK Seller

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

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

Digital LCD Thermometer Aquarium Fish Tank Vivarium Water

Fish Tank Tropical Aquarium Thermometer Floating Tempered Glass Sucker Easy Read

Digital LCD Thermometer Aquarium Fish Tank Vivarium Water UK Seller

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

Aquarium Thermometer Digital Fish Tank Thermometer Wireless Accurate Temperature

Solar LCD Digital Thermometer for Fish Tank Tropical Marine Aquarium

Ista Auto Top Off Float Valve ATO Adjustable Water Flow Cut Off Valve

DIGITAL AQUARIUM REPTILE VIVARIUM THERMOMETER WITH PROBE FREEZER UK SELLER

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

LCD Aquarium Temperature Digital Strip Fish Tank Fresh and Tropical

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

Aquarium Thermometer Glass Precise Fish Tank Temperature Submersible BT-02

Digital Water Aquarium Thermometer LCD Fish Tank Electronic Reptile Gauge Meter

LCD AQUARIUM THERMOMETER FOR FISH TANK WATER FRIDGE FREEZER TEMPERATURE

Waterproof Aquarium Thermometer LCD Digital Submersible Fish Tank Thermometer

Neptune Apex A2 Marine Aquarium Water Monitoring Kit Marine Aquarium

Fish Tank Tropical Aquarium Thermometer Floating Tempered Glass Sucker Easy Read

Neptune Systems Double Trident Stand

New listingNeptune Systems Apex Energy Bar 832 / EB832 New

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

SENEYE HOME V6 WATER MONITORING AMMONIA pH LIGHT TEMP USB AQUARIUM FISH TANK

Thermometer Adhesive Sticker Black LCD Flat Strip Window Fish Tank Aquarium

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

Digital LCD Thermometer Aquarium Fish Tank Vivarium Water Temperature UK Seller

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

Oase Aquarium Digital Thermometer Temperature Gauge Easy LCD Display Fish Tank

TRIXES Digital LCD Thermometer NEW Fish Tank Aquarium Vivarium Marine Water

Fluval 2 In 1 Digital Aquarium Thermometer BNIB SEALED

Aquarium Fish Tank Gauge Touch Screen Digital Thermometer Temperature Sensor

Aquarium Thermometer Digital Fish Tank Thermometer Wireless Accurate Temperature

Twin Display External Thermometer Digital Thermometer For Aquarium Vivarium

New listingNeptune Systems AFS

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

Digital Aquarium Thermometer Fish Tank Vivarium Water Marine, Tropical Stick On

Marina Aquarium Thermometers Fish Tank Tropical Marine Temperature Checking

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

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

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

4X DIGITAL AQUARIUM REPTILE VIVARIUM THERMOMETER WITH PROBE FREEZER UK SELLER

biOrb MCR Remote for HALO 15L Replacement Colour Control Aquarium Fish Tank OASE

Interpet Deltatherm 100W Aquarium / Fish Tank Heater - Opened Never Used

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

FLUVAL EDGE THERMOMETER EXTERNAL STICK ON DIGITAL AQUARIUM FISH TANK

Ista Mini Glass Thermometer Submersible Temperature Meter Nano Tank Aquarium

Aquarium Thermometer Stick On LCD Fish Tank Strip Sticker Easy Read Temperature

Fluval Digital Thermometer Submersible Aquarium Tropical Stick-On Suction Cup

Aquarium stick on thermometer, Aquarium Temperature gauge

Digital Aquarium Thermometer LED Display Touch Screen Water Temperature Meter

Digital Aquarium Thermometer LED Display Touch Screen Water Temperature Meter

Aquarium Thermometer Digital Fish Tank Thermometer Wireless Accurate Temperature

Aquarium Thermometer Digital Fish Tank Thermometer Wireless Accurate Temperature

Best selling

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

Superfish Glass Aquarium Thermometer Fish Tank

Seneye Reef USB Aquarium Controller - White (SEN000048)

Fluval 11193 2 in 1 Digital Aquarium Thermometer - Black

Fluval Celcius Digital Aquarium Thermometer With Suction Cup

Aquarium Digital Thermometer X6 for Fish Tanks - Celcius/farenheit Easy to Read

Digiflex Digital LCD Fish Aquarium Marine Vivarium Thermometer UK

DD Aquarium Solutions ATC Seawater Refractometer - AQPR001

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

Betta RJ020 Glass Thermometer

Superfish Glass Aquarium Thermometer Fish Tank

DD Aquarium Solutions ATC Seawater Refractometer - AQPR001

Fluval Celcius Digital Aquarium Thermometer With Suction Cup