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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4195 products

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Lovibond ValidCheck COD 500 mg/L + TOC 200 mg/L
Lovibond
Lovibond ValidCheck COD 500 mg/L + TOC 200 mg/L Sale price£36.17 Regular price£41.58
Save £1.46
Beaker Gls, 100 ml
TEST ALL WATER
Beaker Gls, 100 ml Sale price£9.77 Regular price£11.23
Save £7.24
Pipette tips, 1-5 ml (white) 100 pc.Pipette tips, 1-5 ml (white) 100 pc.
TEST ALL WATER
Pipette tips, 1-5 ml (white) 100 pc. Sale price£48.42 Regular price£55.66
Save £46.47
Automatic pipette, 1-5 mlAutomatic pipette, 1-5 ml
TEST ALL WATER
Automatic pipette, 1-5 ml Sale price£311.00 Regular price£357.47
Thermo scientific
Thermo Scientific™ Orion™ Powder Chemistry Packs Sale price£44.76
Thermo Scientific™ Orion™ Powder Chemistry Packs
Thermo scientific
Thermo Scientific™ Orion™ Powder Chemistry Packs Sale price£38.90
Hach DR3900 Spectrophotometer with RFID TechnologyHach DR3900 Spectrophotometer with RFID Technology
HACH
Hach DR3900 Spectrophotometer with RFID Technology Sale priceFrom £6,070.00
Hach Addista Mixed-Parameter Standard, NIST, Wastewater, Low Range
HACH
Hach Addista Mixed-Parameter Standard, NIST, Wastewater, Low Range Sale price£96.30
Hach Addista Mixed-Parameter Standard, NIST, Wastewater, High Range
HACH
Hach Addista Mixed-Parameter Standard, NIST, Wastewater, High Range Sale price£96.30
Hach COD TNT, 0-15000 mg/L O<sub>2</sub>
HACH
Hach COD TNT, 0-15000 mg/L O2 Sale price£76.20
HACH
Hach Cuvette Test Permanganate Index 0.5-10 mg/L O2 (CODMn), 25 tests Sale price£132.00
Hach COD Cuvette Test For Samples with High ChlorideHach COD Cuvette Test For Samples with High Chloride
HACH
Hach COD Cuvette Test For Samples with High Chloride Sale price£116.00
HACH COD Cuvette Test For Salt Water, 7-70mg/L O2
HACH
HACH COD Cuvette Test For Salt Water, 7-70mg/L O2 Sale price£114.00
HACH Standard Solution COD, 800mg/L as COD, 200mL
HACH
HACH Standard Solution COD, 800mg/L as COD, 200mL Sale price£58.60
Milwaukee
MI526 FREE CHLORINE REAGENT Sale price£29.16
MW10 Digital Free Chlorine TesterMW10 Digital Free Chlorine Tester
Milwaukee
MW10 Digital Free Chlorine Tester Sale price£80.19
Aquarium Water Hardness 21, 50 strips/pk Test All WaterAquarium Water Hardness 21, 50 strips/pk Test All Water
TEST ALL WATER
Aquarium Water Hardness 21, 50 strips/pk Test All Water Sale price£3.78
Aquarium Nitrate/Nitrite 250/10, 50 strips/pk Test All WaterAquarium Nitrate/Nitrite 250/10, 50 strips/pk Test All Water
TEST ALL WATER
Aquarium Nitrate/Nitrite 250/10, 50 strips/pk Test All Water Sale price£4.20
Aquarium Nitrite 10, 50 strips/pk Test All WaterAquarium Nitrite 10, 50 strips/pk Test All Water
TEST ALL WATER
Aquarium Nitrite 10, 50 strips/pk Test All Water Sale price£3.78
Aquarium Nitrate 250, 50 strips/pk Test All WaterAquarium Nitrate 250, 50 strips/pk Test All Water
TEST ALL WATER
Aquarium Nitrate 250, 50 strips/pk Test All Water Sale price£3.78
Aquarium 7 in 1 Test Strips, 50 strips/pk Test All WaterAquarium 7 in 1 Test Strips, 50 strips/pk Test All Water
TEST ALL WATER
Aquarium 7 in 1 Test Strips, 50 strips/pk Test All Water Sale price£6.72
Aquarium Carbonate Hardness 20, 50 strips/pk Test All WaterAquarium Carbonate Hardness 20, 50 strips/pk Test All Water
TEST ALL WATER
Aquarium Carbonate Hardness 20, 50 strips/pk Test All Water Sale price£3.78
Aquarium Ammonium 400, 50 strips/pk Test All WaterAquarium Ammonium 400, 50 strips/pk Test All Water
TEST ALL WATER
Aquarium Ammonium 400, 50 strips/pk Test All Water Sale price£5.04
Aquarium Ammonia 6, 50 strips/pk Test All WaterAquarium Ammonia 6, 50 strips/pk Test All Water
TEST ALL WATER
Aquarium Ammonia 6, 50 strips/pk Test All Water Sale price£5.04

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