Best Chemicals Water Testing Products Deals Online in the UK (25 Deals Found)

Last Updated - 09/09/2026 Sort By:

Best Choice
EASYTEST

New
EASYTEST Hot Tub Test Strips, 150 Strips Pool and Spa Test for pH,Total Alkalinity,Free Chlorine and Bromine, Accurate 3
AFFORDABLE 150 STRIPS: This water chemical testing kit contains 150 test strips. Enough balanced for your swimming pool,

£14.99
CANADIAN SPA CO.

New
Pool and Spa Test Strips 50 Counts: 3-Way Hot Tub Test Kit Testing for Free Chlorine/Bromine, Total Alkalinity, and pH.
Test Chlorine, pH, and Alkalinity in spa and hot tub water

£4.99
New
Clearwater Water Clarifier for Hot tub Spa and Swimming Water Treatment for Pri
Bestway Clearwater 1 Litre Clarifier is the utmost tool for keeping the water in your pool or spa looking spotless and c

£13.39
Clearwater

New
Clearwater Pool Chemical Starter Kit for Above Ground Pool and Paddling Pool Water Treatment (Includes Chlorine, pH Minu
Award Winning Starter Set: includes everything you need to get started with your above ground swimming pool or paddling

£27.99
New
Clearwater CH0009 Water Clarifier for Hot tub Spa and Swimming Water Treatment
Clearwater Water Clarifier for Hot Tub Spa & Swimming Pools (1L).

£15.99
Best Value
Generic

New
50-Pack 16 IN 1 Drinking Water Test Strips Kit - pH, Hardness, Lead, Chlorine, Iron, Copper, Nitrate & More - Home Water
【Comprehensive Drinking Water Testing】 Ensure the safety and quality of your drinking water with our comprehensive water

£7.48 £8.99
Crystals

New
Crystals 150pcs Hot Tub Test Strips 3 in 1 Pool & Spa Water Testing Kit – Chlorine, pH & Alkalinity Dip Test Strips for
{3-IN-1 WATER TESTING}: Measures Total Alkalinity, Free Chlorine, and pH levels for complete water quality control

£5.97
New
Clearwater CH0009 Water Clarifier for Hot tub Spa and Swimming Water Treatment
Bestway Clearwater 1 Litre Clarifier is the utmost tool for keeping the water in your pool or spa looking spotless and c

£12.92
RAP Water Testing

New
5 in 1 Water quality testing strips for hot tubs, swimming pools or spas. Easy, accurate and quick detection of pH, Free
100 water quality testing strips: Includes 100 dip test strips that make caring for your hot tub, spa or pool quick, sim

£12.92
New
Legionella Swab Test for Water Outlets - Single-Use Kit for Detecting Legionell
HydroHawk Legionella Swab Test Detecting Legionella pneumophila serogroup 1 (sg1) in water outlets anywhere. Perfect for

£35.22
SHATCHI

New
Pool Chemical Starter Kit for Hot Tubs, Above Ground and Paddling Pools, Water Treatment Set - Chlorine Granules, pH Min
✅ 【Complete Pool Treatment Kit】 – ISO9001 certified spa chemical kit includes 500g chlorine granules, 500g pH plus, 700g

£14.95
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
New
8 Way Heavy Metals Water Test Strips -125 ct Home, Well Drinking Water Testing
Quick & Easy Testing: Get reliable water hardness results in just 15 seconds! Simply dip a strip into your water and com

£14.21
DIPSTIK

New
DIPSTIK Pool and Spa Test Strips-Hot Tub Test Strips, Accurate Swimming Water Test for pH, Total Hardness, Bromine, Free
POOL WATER QUALITY TESTING KIT: This water chemical testing kit contains 100 Strips of Water Chemical Testing for Hot tu

£11.59
New
Varify Water Hardness Test Kit - Water Testing Kit for Home, Drinking, Well, Sp
Water Hardness Test Kit - Water Testing Kit for Home, Drinking, Well, Spa, Swimming Pool, Softener, Dishwasher & More -

£14.36
AquaChek

New
AquaChek 511244A Swimming Pool and Spa Test Strip, Yellow
Aquachek Yellow 4in1 test strips

£12.25
New
20 in1 Drinking Water Testing Kit 145 Strips,Complete Water Testing Kits for Dr
[20-in-1 Drinking Water Test Kit] --The Water testing kits for drinking water offers the most extensive and comprehensiv

£22.26
New
Safe Swim 4-Way - Hot Tub, Swimming Pool and Spa Test Strips - Bottle of 70 - M
Read more 70 high quality pool & spa test strips Safe Swim Multiuse: hot tub test strips, swimming pool test strips, spa

£12.02
New
Legionella Swab Test for Water Outlets - Single-Use Legionella Testing Kit for
HydroHawk Legionella Swab Test Detecting Legionella pneumophila serogroup 1 (sg1) in water outlets anywhere. Perfect for

£36.67
New
Mesee TDS EC Tester Meter, 3-in-1 Professional Water Quality Test Meter LCD Dig
Mesee 3-In-1Digital TDS EC Tester Meter Water Quality Tester and Temperature Meter Tool- Test water quality purity, chec

£8.51
New
EASYTEST Hot Tub Test Strips, 150 Strips Pool and Spa Test for pH,Total Alkalin
Do you still struggle with the following common questions? Previous page Next page 1 pH &Total Alkalinity 2 Chlorine & B

£19.80
New
20 in1 Drinking Water Testing Kit 145 Strips,Complete Water Testing Kits for Dr
[20-in-1 Drinking Water Test Kit] --The Water testing kits for drinking water offers the most extensive and comprehensiv

£20.31
New
Just Fitter Alkaline Water pH Test Strips. Testing Kit for Home Drinking Water
These versatile test strips allow you to easily monitor the pH of your water. Whether you need to check your home drinki

£22.26
New
Clearwater pH Plus Increaser - 1 kg Granules for Hot Tub, Spa & Swimming Pool W
Increases the pH level of your spa or above ground pool to maintain comfortable pH levels for your skin whilst youre enj

£11.67
New
9-in-1 Aquarium Test Strips - 150PCS Fish Tank Water Kit to Detect
Suitable for All Aquariums: These aquarium water test kits are perfect for all types of aquariums, ponds, and fish breed

£28.99

25 Chemicals Water Testing Products deals are available from: Amazon, eBay stores, starting from £4.99.
The biggest discount we found is 17% on 50-Pack 16 IN 1 Drinking Water Test Strips Kit - pH, Hardness, Lead, Chlorine, Iron, Copper, Nitrate & More - Home Water Testing Kit for Safe Drinking Water, Tap & Well Water at Amazon.
The lowest price we found is £4.99 while the highest is £36.67.
Prices for the best Chemicals Water Testing Products deals average at £16.47.
Last updated on September 9, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Chemicals Water Testing Products.