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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4161 products

Save £46.05
Palintest Nickel ReagentsPalintest Nickel Reagents
Palintest
Palintest Nickel Reagents Sale price£260.95 Regular price£307.00
Save £8.94
Lovibond Acidifying SE 100 ReagentsLovibond Acidifying SE 100 Reagents
Lovibond
Lovibond Acidifying SE 100 Reagents Sale price£59.82 Regular price£68.76
Pro Swim Chlorine Dioxide Tablets 8gPro Swim Chlorine Dioxide Tablets 8g
Chlorogene
Pro Swim Chlorine Dioxide Tablets 8g Sale price£19.64
Save £12.76
Palintest Turbidity Tube (13 inch)
Palintest
Palintest Turbidity Tube (13 inch) Sale price£72.34 Regular price£85.10
On sale
Palintest Potassium ReagentPalintest Potassium Reagent
Palintest
Palintest Potassium Reagent Sale priceFrom £44.19 Regular price£49.10
Lovibond Battery Cover for the Scuba 2 - BromineLovibond Battery Cover for the Scuba 2 - Bromine
Lovibond
Lovibond Battery Cover for the Scuba 2 - Bromine Sale price£4.32
Lovibond AF422 Cyanuric Acid KitLovibond AF422 Cyanuric Acid Kit
Lovibond
Lovibond AF422 Cyanuric Acid Kit Sale price£68.83
Lovibond Scuba 2 & 3 Refill PackLovibond Scuba 2 & 3 Refill Pack
Lovibond
Lovibond Scuba 2 & 3 Refill Pack Sale price£8.47
J-QUANT Peracetic Acid 0-500 Test StripsJ-QUANT Peracetic Acid 0-500 Test Strips
Johnson Analytica
J-QUANT Peracetic Acid 0-500 Test Strips Sale price£11.24
Save £14.43
Palintest Total Phosphorus 12P TubetestsPalintest Total Phosphorus 12P Tubetests
Palintest
Palintest Total Phosphorus 12P Tubetests Sale price£81.77 Regular price£96.20
Save £13.03
Palintest Ammonia (Nessler), 0 - 50 mg/L N TubetestsPalintest Ammonia (Nessler), 0 - 50 mg/L N Tubetests
Palintest
Palintest Ammonia (Nessler), 0 - 50 mg/L N Tubetests Sale price£73.87 Regular price£86.90
Chlorine Granular ShockChlorine Granular Shock
TEST ALL WATER
Chlorine Granular Shock Sale priceFrom £8.89
Save £13.32
Palintest Contour Comparator Kit Chlorine High Range 0-250mg/lPalintest Contour Comparator Kit Chlorine High Range 0-250mg/l
Palintest
Palintest Contour Comparator Kit Chlorine High Range 0-250mg/l Sale price£75.48 Regular price£88.80
Save £1.12
Lovibond Indicator Strips pH 6.5-10.0Lovibond Indicator Strips pH 6.5-10.0
Lovibond
Lovibond Indicator Strips pH 6.5-10.0 Sale price£11.19 Regular price£12.31
Save £193.50
Palintest Lumiso Pooltest Expert Photometer KitPalintest Lumiso Pooltest Expert Photometer Kit
Palintest
Palintest Lumiso Pooltest Expert Photometer Kit Sale price£1,096.50 Regular price£1,290.00
TTC/MAC Dipslides
DTK-TAW
TTC/MAC Dipslides Sale price£20.46
TTC/MALT Dipslides
DTK-TAW
TTC/MALT Dipslides Sale price£14.45
Save £13.24
Palintest Magnesium Photometer ReagentsPalintest Magnesium Photometer Reagents
Palintest
Palintest Magnesium Photometer Reagents Sale price£75.06 Regular price£88.30
Save £0.60
Cleaning Brush (Palintest)Cleaning Brush (Palintest)
Palintest
Cleaning Brush (Palintest) Sale price£5.40 Regular price£6.00
Save £73.20
Palintest Lumiso Pooltest 3Palintest Lumiso Pooltest 3
Palintest
Palintest Lumiso Pooltest 3 Sale price£414.80 Regular price£488.00
Lovibond Chlorine HR / Acidifying GP Combi PackLovibond Chlorine HR / Acidifying GP Combi Pack
Lovibond
Lovibond Chlorine HR / Acidifying GP Combi Pack Sale priceFrom £35.07
Save £65.32
Lovibond AF129 Comparator Balanced Water Test KitLovibond AF129 Comparator Balanced Water Test Kit
Lovibond
Lovibond AF129 Comparator Balanced Water Test Kit Sale price£437.16 Regular price£502.48
PoolLab Calcium Hardness No.1 Photometer 100 TabletsPoolLab Calcium Hardness No.1 Photometer 100 Tablets
WATER-I.D.
PoolLab Calcium Hardness No.1 Photometer 100 Tablets Sale price£23.78
On sale
Lovibond DPD No 3 Rapid Dissolve TabletsLovibond DPD No 3 Rapid Dissolve Tablets
Lovibond
Lovibond DPD No 3 Rapid Dissolve Tablets Sale priceFrom £12.29

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