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

Nitrate/Nitrite 25-500 Test Strips Test All Water
TEST ALL WATER
Nitrate/Nitrite 25-500 Test Strips Test All Water Sale price£43.88
Copper 0-300 Test All Water
TEST ALL WATER
Copper 0-300 Test All Water Sale price£9.72
Chlorine 10,000, 100 strips/pk Test All Water
TEST ALL WATER
Chlorine 10,000, 100 strips/pk Test All Water Sale price£8.80
HACH Bleaching (3) Reagent Powder Pillows, pK/100HACH Bleaching (3) Reagent Powder Pillows, pK/100
HACH
HACH Bleaching (3) Reagent Powder Pillows, pK/100 Sale price£34.00
HACH Ascorbic Acid Reagent Powder PillowsHACH Ascorbic Acid Reagent Powder Pillows
HACH
HACH Ascorbic Acid Reagent Powder Pillows Sale price£26.00
Test All Water
EX Works - Administration Fee Sale price£35.00
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PrimeLab 2.0 Aluminium test tube rack for holding 12 x 16 mm glass cuvettes
WATER-I.D.
PrimeLab 2.0 Aluminium test tube rack for holding 12 x 16 mm glass cuvettes Sale price£68.85
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PrimeLab 2.0 10 x tips for PLSp-PIP1ml pipette
WATER-I.D.
PrimeLab 2.0 10 x tips for PLSp-PIP1ml pipette Sale price£5.47
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PrimeLab 2.0 1 ml pipette (variable volume 0.1 – 1 ml)
WATER-I.D.
PrimeLab 2.0 1 ml pipette (variable volume 0.1 – 1 ml) Sale price£111.60
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PrimeLab 2.0 10 x tips for PLSp-PIP10ml pipette
WATER-I.D.
PrimeLab 2.0 10 x tips for PLSp-PIP10ml pipette Sale price£5.47
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PrimeLab 2.0 10 ml pipette (variable volume 1 – 10 ml)
WATER-I.D.
PrimeLab 2.0 10 ml pipette (variable volume 1 – 10 ml) Sale price£111.06
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PrimeLab 2.0 adapter to use 16 mm glass vials
WATER-I.D.
PrimeLab 2.0 adapter to use 16 mm glass vials Sale price£28.05
PrimeLab Thermoreactor for heating 12 x 16 mm glass cuvettes
WATER-I.D.
PrimeLab Thermoreactor for heating 12 x 16 mm glass cuvettes Sale price£791.06
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Waste Water Kit PrimeLab 2.0
WATER-I.D.
Waste Water Kit PrimeLab 2.0 Sale price£1,121.02
Save £170.00
eXact Turbo Turbidity Photometer - Starter KiteXact Turbo Turbidity Photometer - Starter Kit
ITS
eXact Turbo Turbidity Photometer - Starter Kit Sale price£680.00 Regular price£850.00
Palintest Micro 800 Service & Calibration
Test All Water
Palintest Micro 800 Service & Calibration Sale price£265.00
Hydro Dioxide (Chlorine Dioxide for Residential Pools, Hot Tubs, Canine PoolsHydro Dioxide (Chlorine Dioxide for Residential Pools, Hot Tubs, Canine Pools
Test All Water
Hydro Dioxide (Chlorine Dioxide for Residential Pools, Hot Tubs, Canine Pools Sale price£397.50
Save £33.80
Lovibond Verification Standard Kit MD50/MD150Lovibond Verification Standard Kit MD50/MD150
Lovibond
Lovibond Verification Standard Kit MD50/MD150 Sale price£189.00 Regular price£222.80
Save £13.45
Lovibond MD50 Reference Standard Kit ChlorineLovibond MD50 Reference Standard Kit Chlorine
Lovibond
Lovibond MD50 Reference Standard Kit Chlorine Sale price£76.00 Regular price£89.45
Lovibond
Lovibond Syringe, plastic, 20 mL Sale price£4.01 Regular price£4.73
Save £10.78
Lovibond T-Cal Standard 4000 NTU, 125 ml
Lovibond
Lovibond T-Cal Standard 4000 NTU, 125 ml Sale price£58.00 Regular price£68.78
Save £13.42
Lovibond MD150 Reference Standard Kit ChlorineLovibond MD150 Reference Standard Kit Chlorine
Lovibond
Lovibond MD150 Reference Standard Kit Chlorine Sale price£76.03 Regular price£89.45
Save £1.03
Lovibond KS16-1413US Conductivity Calibration Solution 65 mL
Lovibond
Lovibond KS16-1413US Conductivity Calibration Solution 65 mL Sale price£5.85 Regular price£6.88
Lovibond
Lovibond Conductivity Solution 12,880µS/cm Sale priceFrom £6.35

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