Best Water Quality Testing Treatment Deals Online in the UK (25 Deals Found)

Last Updated - 09/09/2026 Sort By:

Best Choice
Alevial

New
20 in 1 Drinking Water Testing Kit 75 Strips Home Test for Tap Water Quality, Detects Lead pH Hardness Chlorine Iron Flu
✔ 🏡 20-in-1 Complete Water Test Kit – Each water test strip measures 20 key parameters for safe drinking water, includi

£9.95
Watersafe

New
Watersafe Water Test Kit for Drinking Water, Well and Tap Water, Sensitive Lead Test, Bacteria, Hardness, pH, Nitrates
Comprehensive Testing: Detects a wide range of contaminants, including 9 key ones. From the most dangerous, like Lead an

£29.99
New
TDS Meter Digital Tester Water Quality Testing Kits for Drinking Water 0-9990ppm
Press shift to switch between different modes.

£6.20
Alevial

New
20 in 1 Drinking Water Testing Kit 125 Strips Home Test for Tap Water Quality, Detects Lead pH Hardness Chlorine Iron Fl
✔ 🏡 20-in-1 Complete Water Test Kit – Each water test strip measures 20 key parameters for safe drinking water, includi

£12.95
New
TETRA POND 6 in 1 DIP TEST STRIPS pH KH GH NO2 NO3 CL2 KOI FISH WATER QUALITY
Good water quality is the key to healthy fish and a trouble-free fish keeping.

£14.95
Best Value
Peaflew

New
TDS Meter Digital Water Tester, 0-9990 ppm Water Tester Kit for Drinking Water, Portable Design Water Quality Testing To
【Fast & Accurate Digital Reading】This tds meter digital water tester delivers precise water quality measurements in just

£4.99
SimplexHealth

New
SimplexHealth Total Hardness Water Test Strips (10 Strips) - 3 Second Testing - 0–1000ppm Test Range - Fast & Accurate
Total test time: 3 seconds, number of tests: pack of 10

£3.99
New
API Prevent Algae Aquarium Water Treatment 237ml Bottle Controls Green Water
Prevents aquarium algae and green water.

£9.89
Tetra

New
Tetra 7in1 Pond Water Testing Kit 25 strips - Measures pH, KH, Nitrite and Chlorine - Maintain Excellent Water Quality
One-step water test to measure seven important water values to ensure pond water is safe and healthy for pond life

£15.99
New
New Digital PH Water Tester Quality Analysis Chlorine Swimming Pool Test Kit Mon
Color: As pictures shown.

£20.04
One Step

New
One Step Water Bacteria Test Kit
Detects E.Coli & Total Coliform Bacteria: Quickly identify possible bacterial contamination in water samples. Designed t

£9.99
15% Off
DIPSTIK

New
All-New 18 in1 Drinking Water Test Kit-125 Water Quality Test Strips
Home Water Test Strips: Water quality test strips that include 18 parameters in a single test Hardness, Free Chlorine/Br

£14.44 £16.99
New
Waterproof Salinity Tester Meter - IP67 Digital Saltwater Tester 0-200ppt for Aq
Assessing seawater salinity.

£37.21
Vikrami lighting

New
Water Testing Kits for Drinking Water - 16 in 1 Test Strips, 50 Pcs
[Water quality checks]: Check the water you drink, cook with and bathe in at home - ideal for drinking water, tap water,

£7.29 £7.99
20% Off

New
API POND 5 IN 1 TEST STRIPS 25 Count Pond Water Quality Test Kit for Fish Care
Just dip and read! This box contains enough water testing supplies for 25 tests.

£18.34 £22.92
Independently published

New
WATER QUALITY: TESTING AND TREATMENT

£32.02
10% Off

New
Waterproof Salinity Tester Meter - IP67 Digital Saltwater Tester 0-200ppt for Aq
Salinity Range: 0~9999ppm / 10~200ppt or 0.0-25%.

£41.47 £46.07
New
4-in-1 Test Pen Salinity Measurement Backlit LCD Screen Conductivity Testing
1 4-in-1 water quality test pen.

£27.88 £29.34
New
Digital Portable PH Meter Water Treatment Water Quality Testing Acidity Testing
PH resolution::0.01pH.

£148.72
New
Digital Portable PH Meter Water Treatment Water Quality Testing Acidity Testing
PH resolution::0.01pH.

£148.60
New
ARKA Algae Remover Aquarium 118ml - Algaway Water Treatment for Clear Tanks
ARKA quality trusted by aquarists – developed with breeders and experts – widely used in the aquascaping community – pro

£12.89
New
Deep Blue Pro - 3-Way Chlorine Test Strips 50 Strips Chlorine PH TA QUALITY P...
Hold horizontally for 10 seconds (do not shake excess water from the strip), then compare pH, free chlorine, and total a

£10.69
New
Home Water Analysis 4-in-1 Test Pen Salinity Measurement Conductivity Testing
1 4-in-1 water quality test pen.

£29.34 £30.89
New
TETRA POND 6 in 1 DIP TEST STRIPS pH KH GH NO2 NO3 CL2 KOI FISH WATER QUALITY
By using the Tetra Pond Quick test kit you can easily and quickly monitor these levels and take appropriate action.

£14.95
New
TDS Meter Digital Water Tester Quality Testing Kits for Drinking Water 0-9990ppm
3.5 minutes automatic shutdown.

£6.11

25 Water Quality Testing Treatment deals are available from: Amazon, eBay stores, starting from £3.99.
The biggest discount we found is 20% on API POND 5 IN 1 TEST STRIPS 25 Count Pond Water Quality Test Kit for Fish Care at eBay.
The lowest price we found is £3.99 while the highest is £148.72.
Prices for the best Water Quality Testing Treatment deals average at £27.56.
Last updated on September 9, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Water Quality Testing Treatment.