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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6008 products

Save £33.75
Lovibond Sewage / Effluent Test KitLovibond Sewage / Effluent Test Kit
Lovibond
Lovibond Sewage / Effluent Test Kit Sale price£225.84 Regular price£259.59
Eutech 1413 µS/cm KCl Calibration Solution (500ml)
Eutech
Eutech 1413 µS/cm KCl Calibration Solution (500ml) Sale price£17.55
PoolLab 2.0 Replacement Plastic sliderPoolLab 2.0 Replacement Plastic slider
WATER-I.D.
PoolLab 2.0 Replacement Plastic slider Sale price£10.59
FoodSaf Salad Wash Tablets 1.7gFoodSaf Salad Wash Tablets 1.7g
FoodSaf
FoodSaf Salad Wash Tablets 1.7g Sale priceFrom £6.15
Save £2.64
Palintest Water Test Strips (3 Way Test Strips)Palintest Water Test Strips (3 Way Test Strips)
Palintest
Palintest Water Test Strips (3 Way Test Strips) Sale price£14.96 Regular price£17.60
Save £0.67
Hanna Instruments HI-761-25 Reagents for HI-761 Total Chlorine Low Range Checker
Hanna Instruments
Hanna Instruments HI-761-25 Reagents for HI-761 Total Chlorine Low Range Checker Sale price£12.73 Regular price£13.40
Idexx Quanti-Tray 97 Well/2000 (100 pack)
IDEXX
Idexx Quanti-Tray 97 Well/2000 (100 pack) Sale price£725.00
LaMotte Insta-Test Nitrate Test Strips
LaMotte
LaMotte Insta-Test Nitrate Test Strips Sale price£13.11
Save £2.01
Palintest Kemio Disinfection Sample VesselPalintest Kemio Disinfection Sample Vessel
Palintest
Palintest Kemio Disinfection Sample Vessel Sale price£11.39 Regular price£13.40
Save £48.01
Lovibond Reference Standard Kit Chlorine - Clearance Item
Lovibond
Lovibond Reference Standard Kit Chlorine - Clearance Item Sale price£29.99 Regular price£78.00
Easy Dip 5 in 1 Test Strips for Free Chlorine/Bromine/pH/Total Alkalinity/CyA/Total HardnessEasy Dip 5 in 1 Test Strips for Free Chlorine/Bromine/pH/Total Alkalinity/CyA/Total Hardness
Pool
Easy Dip 5 in 1 Test Strips for Free Chlorine/Bromine/pH/Total Alkalinity/CyA/Total Hardness Sale price£6.57
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Lovibond Bromocresol Purple Photometer TabletsLovibond Bromocresol Purple Photometer Tablets
Lovibond
Lovibond Bromocresol Purple Photometer Tablets Sale priceFrom £11.56 Regular price£13.29
Save £1.35
Palintest DPD No.1 Rapid Dissolve TabletsPalintest DPD No.1 Rapid Dissolve Tablets
Palintest
Palintest DPD No.1 Rapid Dissolve Tablets Sale price£7.65 Regular price£9.00
Testallwater Lovibond Multipack : DPD No 1 Rapid/DPD No 3 Rapid/Phenol Red Rapid
Lovibond
Testallwater Lovibond Multipack : DPD No 1 Rapid/DPD No 3 Rapid/Phenol Red Rapid Sale price£47.57
Blue Horizons Rapid ShockBlue Horizons Rapid Shock
Blue Horizons
Blue Horizons Rapid Shock Sale priceFrom £20.21
Save £369.75
Palintest Turbidity Expert & Lumiso Chlorine Combined Kit
Palintest
Palintest Turbidity Expert & Lumiso Chlorine Combined Kit Sale price£2,095.25 Regular price£2,465.00
Save £12.76
Palintest Chlorine Comparator (0-1mg/l)Palintest Chlorine Comparator (0-1mg/l)
Palintest
Palintest Chlorine Comparator (0-1mg/l) Sale price£72.34 Regular price£85.10
Zinc Test Strips [0-100ppm] (50Pk)Zinc Test Strips [0-100ppm] (50Pk)
DTK-TAW
Zinc Test Strips [0-100ppm] (50Pk) Sale price£32.94
Lovibond Tannin No.1 Tablets
Lovibond
Lovibond Tannin No.1 Tablets Sale price£16.11
pH7 Buffer Solution (Coloured)pH7 Buffer Solution (Coloured)
DTK-TAW
pH7 Buffer Solution (Coloured) Sale priceFrom £5.00
Save £3.04
Palintest/Wagtech Petri Dishes Aluminium, Pack of 25Palintest/Wagtech Petri Dishes Aluminium, Pack of 25
Palintest
Palintest/Wagtech Petri Dishes Aluminium, Pack of 25 Sale price£17.26 Regular price£20.30
Peracetic Acid 0-50 Test StripsPeracetic Acid 0-50 Test Strips
Johnson Analytica
Peracetic Acid 0-50 Test Strips Sale price£16.51
Sold outSave £8.42
Palintest Contour Comparator Kit Manganese Manganese, 0 - 0.03 mg/L MnPalintest Contour Comparator Kit Manganese Manganese, 0 - 0.03 mg/L Mn
Palintest
Palintest Contour Comparator Kit Manganese Manganese, 0 - 0.03 mg/L Mn Sale price£75.78 Regular price£84.20
Save £7.56
Palintest Comparator Disc, Nitrite, 0 - 0.4 mg/L N
Palintest
Palintest Comparator Disc, Nitrite, 0 - 0.4 mg/L N Sale price£42.84 Regular price£50.40

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