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

2 Stainless Steel Rings Ultem-body Electrode with ATC, cell constant K=1.0, 16x144 mm, 6-pin connector, 1m cable (for CON 150, CON 450, PC 450)
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2 Stainless Steel Rings Ultem-body Electrode with ATC, cell constant K=1.0, 16x144 mm, 6-pin connector, 1m cable (for CON 150, CON 450, PC 450) Sale price£175.20
2-Cell Conductivity/ATC Electrode, stainless steel sensor, Ultem-body (for CON 700, PC 700)
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2-Cell Conductivity/ATC Electrode, stainless steel sensor, Ultem-body (for CON 700, PC 700) Sale price£170.89
General purpose, double-junction, plastic-body “3-in-1” pH/Temperature combination electrode. (for pH 150, pH 450, PC 450)
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General purpose, double-junction, plastic-body “3-in-1” pH/Temperature combination electrode. (for pH 150, pH 450, PC 450) Sale price£123.02
General Purpose single junction Plastic-body Gel-Filled “3-in-1” pH/Temp. Combination Electrode, 12x90mm, BNC and 6 pin connector, 1m cable (for pH 150, pH 450, PC 450)
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General Purpose single junction Plastic-body Gel-Filled “3-in-1” pH/Temp. Combination Electrode, 12x90mm, BNC and 6 pin connector, 1m cable (for pH 150, pH 450, PC 450) Sale price£116.68
General Purpose Plastic-body “3-in-1” pH/Temp. Combination Electrode, 12x90mm, BNC connector, 1m cable (for pH 5+ / pH 6+ / Ion 6+)
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General Purpose Plastic-body “3-in-1” pH/Temp. Combination Electrode, 12x90mm, BNC connector, 1m cable (for pH 5+ / pH 6+ / Ion 6+) Sale price£106.48
pH/Cond/ATC probe for 450 series
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pH/Cond/ATC probe for 450 series Sale price£232.20
Glass body double junction Ag/AgCl refillable pH electrode, 12 x 110 mm, BNC connector, 1m cable (for pH 2700, ION 2700, PC 2700)
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Glass body double junction Ag/AgCl refillable pH electrode, 12 x 110 mm, BNC connector, 1m cable (for pH 2700, ION 2700, PC 2700) Sale price£208.14
Glass body, combination pH electrode, open pore, gel filled (for pH 700)
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Glass body, combination pH electrode, open pore, gel filled (for pH 700) Sale price£179.26
General Purpose Plastic-body Double Junction Gel-Filled pH Combination Electrode, 12x90mm, BNC connector, 1m cable (for pH 150, pH 450, PC 450)
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General Purpose Plastic-body Double Junction Gel-Filled pH Combination Electrode, 12x90mm, BNC connector, 1m cable (for pH 150, pH 450, PC 450) Sale price£99.43
ATC Probe (for pH 700, ION 700, pH 2700, & Ion 2700); 1m cable
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ATC Probe (for pH 700, ION 700, pH 2700, & Ion 2700); 1m cable Sale price£56.57
ATC Probe (for pH 150/450, PC450); 1m cable
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ATC Probe (for pH 150/450, PC450); 1m cable Sale price£75.26
Save £19.57
Lovibond Total Nitrogen DMP LR / 25
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Lovibond Total Nitrogen DMP LR / 25 Sale price£130.95 Regular price£150.52
Save £3.10
VARIO Molybdate 3 Reagent Solution-EPLVARIO Molybdate 3 Reagent Solution-EPL
Lovibond
VARIO Molybdate 3 Reagent Solution-EPL Sale price£20.71 Regular price£23.81
Lovibond
Lovibond Cresol Red Solution (100ml) Sale price£13.78
Save £1.50
Lovibond Zinc Buffer Z1B, 65ml
Lovibond
Lovibond Zinc Buffer Z1B, 65ml Sale price£10.07 Regular price£11.57
Lovibond
Lovibond Nitrate HR No.1 Tablets Sale price£20.02
Lovibond Total Phosphate (PMB) HRLovibond Total Phosphate (PMB) HR
Lovibond
Lovibond Total Phosphate (PMB) HR Sale price£94.35
Silicone Oil (10 mL) for TN100IR
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Silicone Oil (10 mL) for TN100IR Sale price£59.62
Calibration Kit Set for TN100IR (0.02, 20.0, 100, 800 NTU), 4x60mL
Thermo scientific
Calibration Kit Set for TN100IR (0.02, 20.0, 100, 800 NTU), 4x60mL Sale price£315.90
Waterproof TN 100 Infra-Red Turbidimeter (NTU) with calibration kit & carrying case
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Waterproof TN 100 Infra-Red Turbidimeter (NTU) with calibration kit & carrying case Sale price£786.24
Eutech PC 2700 pH/ ORP/ Ion/ Conductivity/ TDS/ Salinity/ Resistivity Temp Meter
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Eutech PC 2700 pH/ ORP/ Ion/ Conductivity/ TDS/ Salinity/ Resistivity Temp Meter Sale price£1,235.40
DO 2700 Meter Dissolved Oxygen/BOD/Temp
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DO 2700 Meter Dissolved Oxygen/BOD/Temp Sale price£1,780.06
CyberScan pH 610
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CyberScan pH 610 Sale price£773.06
CyberScan pH 610 pH/mV/ORP Meter
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CyberScan pH 610 pH/mV/ORP Meter Sale price£836.40

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