Best Selling Products

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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4003 products

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Lovibond Vario Chlorine Free DPD 10mlLovibond Vario Chlorine Free DPD 10ml
Lovibond
Lovibond Vario Chlorine Free DPD 10ml Sale price£24.33 Regular price£26.73
Pro-Swim Hot Tub Instant Filter Cartridge CleanerPro-Swim Hot Tub Instant Filter Cartridge Cleaner
PH1 - pH/Temperature Meter c/w pH 4, 7 & 10 SolutionsPH1 - pH/Temperature Meter c/w pH 4, 7 & 10 Solutions
Palintest Alkalinity (Alkavis), Comparator Tablets
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Lovibond Universal pH 100 TabletsLovibond Universal pH 100 Tablets
Lovibond
Lovibond Universal pH 100 Tablets Sale price£16.73 Regular price£18.26
On sale
Lovibond DI 10 IncubatorLovibond DI 10 Incubator
Lovibond
Lovibond DI 10 Incubator Sale priceFrom £449.44 Regular price£499.83
Save £5.64
Lovibond COD Vario Vials  0-15000 mg/l,16 mmLovibond COD Vario Vials  0-15000 mg/l,16 mm
Lovibond
Lovibond COD Vario Vials 0-15000 mg/l,16 mm Sale price£53.07 Regular price£58.71
Lovibond AF416 Calcium Hardness KitLovibond AF416 Calcium Hardness Kit
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Palintest Chlorocol Tablets  (BB 10/25)Palintest Chlorocol Tablets  (BB 10/25)
LaMotte Insta-Test Phosphate Test StripsLaMotte Insta-Test Phosphate Test Strips
IDEXX Colilert-18
IDEXX
IDEXX Colilert-18 Sale priceFrom £192.00
Water-I.D: Phenol Red Rapid TabletsWater-I.D: Phenol Red Rapid Tablets
Save £3.81
Palintest/Wagtech Absorbent Pads
Palintest
Palintest/Wagtech Absorbent Pads Sale price£34.29 Regular price£38.10
Test All Water TA3 - Alkalinity LR TitrantTest All Water TA3 - Alkalinity LR Titrant
Palintest plastic stirring rod (single rod)Palintest plastic stirring rod (single rod)
Palintest Molybdate HR TabletsPalintest Molybdate HR Tablets
Save £7.48
Palintest Chemical Oxygen Demand (COD) Tubetests - Containing Mercury for high Chloride 500 - 20,000 mg/L 02Palintest Chemical Oxygen Demand (COD) Tubetests - Containing Mercury for high Chloride 500 - 20,000 mg/L 02
Save £3.79
Palintest Comparator Disc (pH Phenol red)
Palintest
Palintest Comparator Disc (pH Phenol red) Sale price£34.11 Regular price£37.90
Lovibond Test Strips Plastic pH 0-14Lovibond Test Strips Plastic pH 0-14
Lovibond Acidifying PT Rapid TabletsLovibond Acidifying PT Rapid Tablets
La Motte Insta-TEST® Monopersulfate (MPS), Alkalinity, pH Test StripsLa Motte Insta-TEST® Monopersulfate (MPS), Alkalinity, pH Test Strips
Palintest Steadichlor 'N.X, 5kgPalintest Steadichlor 'N.X, 5kg
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Lovibond Ammonia No.1 Tablets
Lovibond
Lovibond Ammonia No.1 Tablets Sale price£25.57 Regular price£28.10
Legionella Microbiological SamplingHow to take a water sample