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

Laboratory Drinking Water TVC AnalysisLaboratory Drinking Water TVC Analysis
TEST ALL WATER
Laboratory Drinking Water TVC Analysis Sale priceFrom £25.00
Oasis 8.5mg Water Purification Tablets
Oasis
Oasis 8.5mg Water Purification Tablets Sale price£85.91
Save £9.89
Lovibond Nickel Reagent Test
Lovibond
Lovibond Nickel Reagent Test Sale price£66.21 Regular price£76.10
Lovibond
Lovibond Spare membrane for oxygen sensor Sale price£25.78 Regular price£29.63
Kuntze Instruments
Kuntze Neon Multi Super C Timer Function Sale price£261.72
Kuntze Instruments
Kuntze Neon Multi/Pool Total Chlorine Add-On Kit Sale price£1,303.40
Kuntze Instruments
KUNTZE Neon EC Add-On Kit (Chamber, EC Sensor & Cable) Sale price£1,054.73
WATER-I.D.
PrimeLab 2.0 Activation Codes Sale priceFrom £20.00
Save £4.02
Lovibond Chlorine Free LR Titrant FCL2Lovibond Chlorine Free LR Titrant FCL2
Lovibond
Lovibond Chlorine Free LR Titrant FCL2 Sale price£26.87 Regular price£30.89
Lovibond
Lovibond COD VarioVial Test 3-150mg/l Sale price£311.72 Regular price£358.30
Pack of 3 Sample Cuvettes (for TN100IR & Colorimeter series)
TEST ALL WATER
Pack of 3 Sample Cuvettes (for TN100IR & Colorimeter series) Sale price£59.62
Eutech Waterproof EcoTestr pH 2Eutech Waterproof EcoTestr pH 2
Eutech
Eutech Waterproof EcoTestr pH 2 Sale price£64.67
Hach
Hach Nitrification inhibitor 50ml Sale price£37.08
Save £5.11
Hanna Instruments AMMONIA HIGH RANGE, NESSLER METHOD, 100 TESTS
Hanna Instruments
Hanna Instruments AMMONIA HIGH RANGE, NESSLER METHOD, 100 TESTS Sale price£97.09 Regular price£102.20
Save £26.44
Hanna Instruments AMMONIA HIGH RANGE PORTABLE PHOTOMETERHanna Instruments AMMONIA HIGH RANGE PORTABLE PHOTOMETER
Hanna Instruments
Hanna Instruments AMMONIA HIGH RANGE PORTABLE PHOTOMETER Sale price£502.46 Regular price£528.90
Save £13.75
Hanna Instruments AMMONIA HIGH RANGE CAL CHECK STANDARDS
Hanna Instruments
Hanna Instruments AMMONIA HIGH RANGE CAL CHECK STANDARDS Sale price£261.35 Regular price£275.10
Save £3.76
Lovibond Checkit Disc Ozone (DPD)
Test All Water
Lovibond Checkit Disc Ozone (DPD) Sale price£25.16 Regular price£28.92
Trace2o
Trace2O Eyeglass Sale price£4.41
Safe Swim Meter Reagent Copper
ITS
Safe Swim Meter Reagent Copper Sale price£13.34
Save £1.23
Lovibond Active Oxygen-pH Refill PackLovibond Active Oxygen-pH Refill Pack
Lovibond
Lovibond Active Oxygen-pH Refill Pack Sale price£8.26 Regular price£9.49
Save £85.94
Lovibond Legionella Field Test KitLovibond Legionella Field Test Kit
Lovibond
Lovibond Legionella Field Test Kit Sale price£575.14 Regular price£661.08
General Purpose Plastic-body Single Junction Gel-Filled pH Combination Electrode, 12x90mm, BNC connector, 1m cable
Eutech
General Purpose Plastic-body Single Junction Gel-Filled pH Combination Electrode, 12x90mm, BNC connector, 1m cable Sale price£78.84
PoolLab Copper/Zinc LR Photometer TabletsPoolLab Copper/Zinc LR Photometer Tablets
WATER-I.D.
PoolLab Copper/Zinc LR Photometer Tablets Sale price£14.58
PoolLab PHMB Photometer Tablets
WATER-I.D.
PoolLab PHMB Photometer Tablets Sale price£15.80

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