Best Aquarium Digital Tester Deals Online in the UK (10 Deals Found)

Last Updated - 09/01/2026 Sort By:

Best Choice
UIUZMAR

New
UIUZMAR Water pH TDS Meter Pen, pH EC Meter Hydroponic, Test the pH TDS Value of Aquarium, 4 in 1 pH/EC/TDS/Temp Meter D
Aquarium pH TDS Meter: UIUZMAR pH tds tester can measure the TDS pH level of freshwater aquarium or home fish tank water

£28.41 £29.91
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Best Value
UIUZMAR

New
UIUZMAR pH TDS Meter for Water, pH Water TDS Meter Aquarium, Drinking Water TDS Tester PPM Meter Hydroponics, Digital 4
Swimming Pool pH TDS Meter: UIUZMAR pH tester for water can help pool owners detect the ideal pH value of the pool (7.2-

£15.99 £17.99
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flintronic

New
PH Meter, 5-in-1 PH/TDS/EC/Salinity/Temperature Water Quality Tester, LCD Green Backlight Display Water Quality Tester f
【5-in-1 MULTI FUNCTION】-This digital pH meter is designed with a 5-in-1 function, which is can be used to test the PH /

£19.99
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EASYTEST

New
EASYTEST 6 in 1 Aquarium Test Strips, 150 Strip Pack Aquarium Water Test Kit for Freshwater, Fish Tank, Fish Pond, Accur
6 IN 1 AQUARIUM WATER TESTING: It is necessary to test water quality in the aquarium regularly and frequently. Nitrate,

£11.04 £15.99
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GIDIGI

New
GIDIGI Digital Hydrogen Water Tester, ORP Meter, 6-in-1 pH TDS Tester for Home Water, pH ORP TDS EC Temperature H2 Meter
{6-in-1 Multi-Function Water Hydrogen Tester} Accurately measure pH, TDS (Total Dissolved Solids), EC (Electrical Conduc

£32.99 £37.99
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ARCHER LIFE HALL

New
2025 New TDS Meter Digital Water Tester Water Quality Tester for RO-RODI System Drinking Water, Aquariums, Hydroponics,
✅【Accurate and Reliable】: The tds meter Highly efficient and accurate due to its advanced microprocessor technology, +/-

£7.57 £8.99
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NT Labs

New
NT Labs Aquarium Lab Multi Test Kit, All-in-one Water Testing Kit, Tests for Ammonia, Nitrite, Nitrate, pH, General Hard
【 6 IN 1 TEST KIT 】: Our multi-test kit enables aquarium owners to effortlessly assess six key water parameters using a

£25.95
ARCHER LIFE HALL

New
2025 New TDS Meter Digital Water Tester, 0-9990 ppm Water Quality Tester Portable Water Testing Kits for Drinking Water,
ACCURATE AND RELIABLE --- Our TDS Meter is engineered for precision, featuring a Titanium probe and sensor that ensure a

£8.54 £9.99
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ChengJin

New
5 in 1 Digital Water Tester,Digital PH Meter,Water Quality Tester,Digital Water Quality Tester,PH Salinity T/DS Temperat
5 IN 1 DIGITAL WATER TESTER: The digital ph meter is designed with 5 in 1 function, water quality testercan be used to t

£19.99
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UIUZMAR

New
UIUZMAR pH Salt Tester for Aquarium, Digital Salinity Tester for Salt Water Swimming Pool, Pond Water 5 in 1 pH TDS EC S
Aquarium pH Salt Tester: UIUZMAR pH salinity meter can measure the ppm of freshwater fish tanks such as Koi ponds within

£31.62 £33.29
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10 Aquarium Digital Tester deals are available from: Amazon stores, starting from £7.57.
The biggest discount we found is 10%% on UIUZMAR Water pH TDS Meter Pen, pH EC Meter Hydroponic, Test the pH TDS Value of Aquarium, 4 in 1 pH/EC/TDS/Temp Meter Digital Water Tester for Drinking Water, Pond Water, Hot Tub, Swimming Pool at Amazon.
The lowest price we found is £7.57 while the highest is £32.99.
Prices for the best Aquarium Digital Tester deals average at £20.21.
Last updated on January 9, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Aquarium Digital Tester.