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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4196 products

Palintest Nitrite No.1 Tablets
Palintest
Palintest Nitrite No.1 Tablets Sale price£11.44
On sale
Lovibond Aluminium No.2 Reagents
Lovibond
Lovibond Aluminium No.2 Reagents Sale priceFrom £20.33
Lovibond Oxidising Agent (AvChl/PAA) KitLovibond Oxidising Agent (AvChl/PAA) Kit
Lovibond
Lovibond Oxidising Agent (AvChl/PAA) Kit Sale price£61.78
Save £6.79
Lovibond Copper/Zinc L.R.Test TabletsLovibond Copper/Zinc L.R.Test Tablets
Lovibond
Lovibond Copper/Zinc L.R.Test Tablets Sale price£45.43 Regular price£52.22
Save £3.12
Lovibond Starch / Iodide Test Strip (for Chlorine testing)
Lovibond
Lovibond Starch / Iodide Test Strip (for Chlorine testing) Sale price£20.88 Regular price£24.00
Trace2o AquaSafe WSL50 Plus
Trace2o
Trace2o AquaSafe WSL50 Plus Sale price£3,296.00
Save £3.75
Hanna Instruments HI-7024 Copper CheckerHanna Instruments HI-7024 Copper Checker
Hanna Instruments
Hanna Instruments HI-7024 Copper Checker Sale price£71.35 Regular price£75.10
Save £3.75
Hanna Instruments HI-7014 Free Chlorine CheckerHanna Instruments HI-7014 Free Chlorine Checker
Hanna Instruments
Hanna Instruments HI-7014 Free Chlorine Checker Sale price£71.35 Regular price£75.10
AQUATABS 67mg Tablets
Trace2o
AQUATABS 67mg Tablets Sale price£249.26
Sold out
AQUATABS 167mg Tablets
Trace2o
AQUATABS 167mg Tablets Sale price£269.86
Sold out
Trace2o Turbidity Tube
Trace2o
Trace2o Turbidity Tube Sale price£52.53
Save £3.75
Hanna Instruments HI-707 Nitrite Low Range Handheld Colorimeter - CheckerHC
Hanna Instruments
Hanna Instruments HI-707 Nitrite Low Range Handheld Colorimeter - CheckerHC Sale price£71.35 Regular price£75.10
Save £7.00
D009 Nitrite Tube Test
Lovibond
Lovibond NRB Tube Tests Sale price£46.81 Regular price£53.81
Save £4.73
PDM/MAC Dipslides
Lovibond
Lovibond PDM/MAC Dipslides Sale price£31.63 Regular price£36.36
Blue Horizons Ultimate Stabilised Multifunctional Chlorine Granules - Use CLULTGRN5OL / CLULTGRN2OL as alternativeBlue Horizons Ultimate Stabilised Multifunctional Chlorine Granules - Use CLULTGRN5OL / CLULTGRN2OL as alternative
Blue Horizons
Blue Horizons Ultimate Stabilised Multifunctional Chlorine Granules - Use CLULTGRN5OL / CLULTGRN2OL as alternative Sale priceFrom £10.30
LaMotte Copper & Iron Metals Test Strip Kit
LaMotte
LaMotte Copper & Iron Metals Test Strip Kit Sale price£32.16
Sold out
Digital Titrator Delivery Tube Straight with J Hook Pack of 5
Hach
Digital Titrator Delivery Tube Straight with J Hook Pack of 5 Sale price£19.75
Johnson's Wine pH Indicator Strips (pH 2.8 - 4.4)Johnson's Wine pH Indicator Strips (pH 2.8 - 4.4)
Johnson Analytica
Johnson's Wine pH Indicator Strips (pH 2.8 - 4.4) Sale price£2.74
Johnson Analytica Water Hardness 0-500 Test StripsJohnson Analytica Water Hardness 0-500 Test Strips
Johnson Analytica
Johnson Analytica Water Hardness 0-500 Test Strips Sale price£8.80
Save £7.10
Lovibond W680.OG.40mm Cell (Cal 20ml)
Lovibond
Lovibond W680.OG.40mm Cell (Cal 20ml) Sale price£47.51 Regular price£54.61
Save £23.06
Lovibond Vario Total Nitrogen HR Set, 50 testsLovibond Vario Total Nitrogen HR Set, 50 tests
Lovibond
Lovibond Vario Total Nitrogen HR Set, 50 tests Sale price£154.33 Regular price£177.39
Save £14.92
Lovibond VARIO ammonia Vial Test Reagent Set High Range F5Lovibond VARIO ammonia Vial Test Reagent Set High Range F5
Lovibond
Lovibond VARIO ammonia Vial Test Reagent Set High Range F5 Sale price£99.86 Regular price£114.78
Lovibond Vario Hydrazine2 Reagent 100ml
Lovibond
Lovibond Vario Hydrazine2 Reagent 100ml Sale price£23.87
Trace2o
Trace2o Sterile membrane filters, 47mm, 0.45μm Sale priceFrom £36.05

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