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

IDEXX Enterolert-E (200-test pack)
IDEXX
IDEXX Enterolert-E (200-test pack) Sale price£1,510.00
Test All Water
Portable Hydrocarbon Analyzer Sale price£16,100.00
Test All Water
BOD FOC 215L Incubator Sale price£2,745.00
Save £3.76
Lovibond Checkit Disc Zinc LR 0 - 1 mg/L Zn
Lovibond
Lovibond Checkit Disc Zinc LR 0 - 1 mg/L Zn Sale price£25.16 Regular price£28.92
Save £3.76
Lovibond Checkit Disc Sulfite LR 0.5 - 10 mg/L SO3
Lovibond
Lovibond Checkit Disc Sulfite LR 0.5 - 10 mg/L SO3 Sale price£25.16 Regular price£28.92
Save £3.76
Lovibond Checkit Disc Silica LR 0.25 - 4 mg/L SiO2
Lovibond
Lovibond Checkit Disc Silica LR 0.25 - 4 mg/L SiO2 Sale price£25.16 Regular price£28.92
Save £3.76
Lovibond Checkit Disc Nitrite LR 0 - 0.5 mg/L N
Lovibond
Lovibond Checkit Disc Nitrite LR 0 - 0.5 mg/L N Sale price£25.16 Regular price£28.92
Save £3.76
Lovibond Checkit Disc Molybdate 0 - 100 mg/L MoO4
Lovibond
Lovibond Checkit Disc Molybdate 0 - 100 mg/L MoO4 Sale price£25.16 Regular price£28.92
Save £3.76
Lovibond Checkit Disc Iron HR 1 - 10 mg/L Fe
Lovibond
Lovibond Checkit Disc Iron HR 1 - 10 mg/L Fe Sale price£25.16 Regular price£28.92
Save £3.76
Lovibond Checkit Disc Copper Free 0 - 1 mg/L Cu
Lovibond
Lovibond Checkit Disc Copper Free 0 - 1 mg/L Cu Sale price£25.16 Regular price£28.92
Save £3.76
Lovibond Checkit Disc Ammonia 0 - 1 mg/L N
Lovibond
Lovibond Checkit Disc Ammonia 0 - 1 mg/L N Sale price£25.16 Regular price£28.92
Save £3.76
Lovibond Checkit Disc Aluminium 0 - 0.3 mg/L Al
Lovibond
Lovibond Checkit Disc Aluminium 0 - 0.3 mg/L Al Sale price£25.16 Regular price£28.92
Save £9.47
Lovibond Checkit Comparator Sulphite LR 0.5 - 10 mg/L SO3 Test Kits
Lovibond
Lovibond Checkit Comparator Sulphite LR 0.5 - 10 mg/L SO3 Test Kits Sale price£63.41 Regular price£72.88
Save £11.01
Lovibond Checkit Compatator Silica LR 0.25 - 4 mg/L SiO2 Test Kit
Lovibond
Lovibond Checkit Compatator Silica LR 0.25 - 4 mg/L SiO2 Test Kit Sale price£73.67 Regular price£84.68
Save £9.47
Lovibond Checkit Comparator pH (Bromothymolblue)
Lovibond
Lovibond Checkit Comparator pH (Bromothymolblue) Sale price£63.41 Regular price£72.88
Save £9.47
Lovibond Checkit Comparator pH (Bromocresolpurple)
Lovibond
Lovibond Checkit Comparator pH (Bromocresolpurple) Sale price£63.41 Regular price£72.88
Save £1.14
Hanna Instruments Phosphate HR Checker HC Calibration Checking Set
Hanna Instruments
Hanna Instruments Phosphate HR Checker HC Calibration Checking Set Sale price£21.76 Regular price£22.90
Palintest Contour Comparator Kit Zinc 0 - 4 mg/LPalintest Contour Comparator Kit Zinc 0 - 4 mg/L
Palintest
Palintest Contour Comparator Kit Zinc 0 - 4 mg/L Sale price£72.53
Save £10.64
Lovibond Checkit Comparator Molybdate 0 - 100 mg/L Test Kit
Lovibond
Lovibond Checkit Comparator Molybdate 0 - 100 mg/L Test Kit Sale price£71.20 Regular price£81.84
Save £12.72
Lovibond Checkit Comparator DEHA 0 - 0.5 mg/L Test Kit
Lovibond
Lovibond Checkit Comparator DEHA 0 - 0.5 mg/L Test Kit Sale price£85.12 Regular price£97.84
Save £11.21
Lovibond Checkit Comparator Copper Free 0 - 1 mg/L Cu Test Kit
Lovibond
Lovibond Checkit Comparator Copper Free 0 - 1 mg/L Cu Test Kit Sale price£75.02 Regular price£86.23
Save £10.05
Lovibond Checkit Comparator Ammonia 0 - 1 mg/L N Test Kit
Lovibond
Lovibond Checkit Comparator Ammonia 0 - 1 mg/L N Test Kit Sale price£67.23 Regular price£77.28
Save £15.00
Lovibond Dipslide Holder
Lovibond
Lovibond Dipslide Holder Sale price£100.36 Regular price£115.36
Conductivity Standard Solution 10us/cm 250ml
Mettler
Conductivity Standard Solution 10us/cm 250ml Sale price£50.00

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