Best Selling Products

Our Best Selling Products category features the most popular and trusted water testing solutions chosen by professionals and everyday users alike. From quick and easy test kits to advanced meters and reagents, these products have earned their place as customer favourites for their reliability, accuracy, and ease of use. Whether you’re testing pool water, drinking water, or industrial systems, these top picks deliver the dependable results you can count on.

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4197 products

AQUATABS 1.67g Tablets
Trace2o
AQUATABS 1.67g Tablets Sale price£123.60
AQUATABS 8.68g Tablets
Trace2o
AQUATABS 8.68g Tablets Sale price£185.40
Maji-Lite KIt
Trace2o
Maji-Lite KIt Sale price£2,940.00
Sold out
AQUATABS 33mg Tablets
Trace2o
AQUATABS 33mg Tablets Sale price£117.42
Sold out
AQUATABS 17mg Tablets
Trace2o
AQUATABS 17mg Tablets Sale price£533.54
Sold out
AQUATABS 8.5mg Tablets
Trace2o
AQUATABS 8.5mg Tablets Sale price£525.30
CPE OverShoes 40cm/16 Inches (100 Pack)
TEST ALL WATER
CPE OverShoes 40cm/16 Inches (100 Pack) Sale price£7.46
Sold outSave £1.67
Hanna Instruments 500ml 80 000uS bottle of Conductivity solution
Hanna Instruments
Hanna Instruments 500ml 80 000uS bottle of Conductivity solution Sale price£31.73 Regular price£33.40
Mini Tester for pH & Active OxygenMini Tester for pH & Active Oxygen
WATER-I.D.
Mini Tester for pH & Active Oxygen Sale price£8.50
Save £3.75
Hanna Instruments HI-736 Phosphorus Marine Ultra-Low Range Colorimeter - Checker HCHanna Instruments HI-736 Phosphorus Marine Ultra-Low Range Colorimeter - Checker HC
Hanna Instruments
Hanna Instruments HI-736 Phosphorus Marine Ultra-Low Range Colorimeter - Checker HC Sale price£71.35 Regular price£75.10
Save £3.75
Hanna Instruments HI-708 Nitrite High Range Handheld Colorimeter - Checker HC
Hanna Instruments
Hanna Instruments HI-708 Nitrite High Range Handheld Colorimeter - Checker HC Sale price£71.35 Regular price£75.10
Blue Horizons Concentrated Winter Time
Blue Horizons
Blue Horizons Concentrated Winter Time Sale price£17.64
Blue Horizons 200g Large Multifunctional Chlorine Tablets 2kg - Use MFTAB2002OL if out of stockBlue Horizons 200g Large Multifunctional Chlorine Tablets 2kg - Use MFTAB2002OL if out of stock
Blue Horizons
Blue Horizons 200g Large Multifunctional Chlorine Tablets 2kg - Use MFTAB2002OL if out of stock Sale price£14.65
Blue Horizons 200g Large Stabilised Chlorine Tablets 2kg - Use CLTAB2002OL as alternativeBlue Horizons 200g Large Stabilised Chlorine Tablets 2kg - Use CLTAB2002OL as alternative
Blue Horizons
Blue Horizons 200g Large Stabilised Chlorine Tablets 2kg - Use CLTAB2002OL as alternative Sale price£15.80
AquaSparkle Bromine Tablets (Use Test All Water BRTAB01OL as alternative)AquaSparkle Bromine Tablets (Use Test All Water BRTAB01OL as alternative)
CPC
AquaSparkle Bromine Tablets (Use Test All Water BRTAB01OL as alternative) Sale price£22.44
LaMotte QAC Dual Range Test Strips
LaMotte
LaMotte QAC Dual Range Test Strips Sale price£13.54
On sale
LaMotte Insta-Test 3 Test Strips
LaMotte
LaMotte Insta-Test 3 Test Strips Sale priceFrom £7.50
Save £161.95
Lovibond SD 315 Oxi (Set 1)
Lovibond
Lovibond SD 315 Oxi (Set 1) Sale price£1,083.83 Regular price£1,245.78
Eutech pH 7.00 buffer sachets (NIST traceable)-Expiry 08/2021
vendor-unknown
Eutech pH 7.00 buffer sachets (NIST traceable)-Expiry 08/2021 Sale price£28.90
vendor-unknown
WLCAL Gloves Small-Large Sale price£12.87
DTK-TAW
Weekly Cooling Tower Test Kit (EPL) Sale price£490.01
Trace2o
Zinc Comparator Wheel Trace2o Sale price£0.00
Trace2o
Zinc Photometer Tablets Sale priceFrom £109.46
Trace2o
Waterproof carrying case for HC700 Series Trace2o Sale price£449.12

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