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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4162 products

On sale
Palintest Ammonia (Nessler), 0 - 100 mg/L N TubetestsPalintest Ammonia (Nessler), 0 - 100 mg/L N Tubetests
Palintest
Palintest Ammonia (Nessler), 0 - 100 mg/L N Tubetests Sale priceFrom £79.22 Regular price£93.20
Save £7.54
Palintest Sulphate ReagentsPalintest Sulphate Reagents
Palintest
Palintest Sulphate Reagents Sale price£42.76 Regular price£50.30
On sale
Palintest Coppercol Photometer TabletsPalintest Coppercol Photometer Tablets
Palintest
Palintest Coppercol Photometer Tablets Sale priceFrom £54.27 Regular price£60.30
PoolLab Calcium Hardness Liquid Reagents Kit
WATER-I.D.
PoolLab Calcium Hardness Liquid Reagents Kit Sale price£16.00
Save £11.02
Palintest Iron High Range ReagentsPalintest Iron High Range Reagents
Palintest
Palintest Iron High Range Reagents Sale price£62.48 Regular price£73.50
Save £4.18
Palintest Instachlor Tablets -100 tabletsPalintest Instachlor Tablets -100 tablets
Palintest
Palintest Instachlor Tablets -100 tablets Sale price£23.72 Regular price£27.90
vendor-unknown
International Bank Transfer Charges Sale price£35.00
On sale
Palintest Cyanuric Acid ReagentsPalintest Cyanuric Acid Reagents
Palintest
Palintest Cyanuric Acid Reagents Sale priceFrom £29.07 Regular price£32.30
Save £14.77
Palintest Contour Comparator Kit Chlorine 0-5mg/l / pHPalintest Contour Comparator Kit Chlorine 0-5mg/l / pH
Palintest
Palintest Contour Comparator Kit Chlorine 0-5mg/l / pH Sale price£83.73 Regular price£98.50
Sold out
Palintest Total Alkalinity Tablet Count Bottle 250 tablets (Discontinued)Palintest Total Alkalinity Tablet Count Bottle 250 tablets (Discontinued)
Palintest
Palintest Total Alkalinity Tablet Count Bottle 250 tablets (Discontinued) Sale price£16.90
On sale
Lovibond DPD No 1 Free Chlorine ReagentsLovibond DPD No 1 Free Chlorine Reagents
Lovibond
Lovibond DPD No 1 Free Chlorine Reagents Sale priceFrom £12.09 Regular price£13.90
On sale
Palintest Iron MR ReagentsPalintest Iron MR Reagents
Palintest
Palintest Iron MR Reagents Sale priceFrom £66.51 Regular price£73.90
Palintest Lumiso Photometer Service and Calibration TestPalintest Lumiso Photometer Service and Calibration Test
Palintest
Palintest Lumiso Photometer Service and Calibration Test Sale priceFrom £205.00
Save £6.09
Lovibond DPD 4 Rapid Dissolve TabletsLovibond DPD 4 Rapid Dissolve Tablets
Lovibond
Lovibond DPD 4 Rapid Dissolve Tablets Sale priceFrom £13.00
Sold outSave £19.95
Palintest Chloride (Chloridol) TabletsPalintest Chloride (Chloridol) Tablets
Palintest
Palintest Chloride (Chloridol) Tablets Sale price£113.05 Regular price£133.00
On sale
Palintest Iron Low Range ReagentsPalintest Iron Low Range Reagents
Palintest
Palintest Iron Low Range Reagents Sale priceFrom £44.28 Regular price£49.20
PoolLab 2.0 PhotometerPoolLab 2.0 Photometer
WATER-I.D.
PoolLab 2.0 Photometer Sale price£129.00
LaMotte Insta-Test Peracetic Acid High Range Test Strips 0 - 1000LaMotte Insta-Test Peracetic Acid High Range Test Strips 0 - 1000
Lamotte
LaMotte Insta-Test Peracetic Acid High Range Test Strips 0 - 1000 Sale price£17.26
Phenolphthalein Indicator 65mlPhenolphthalein Indicator 65ml
DTK-TAW
Phenolphthalein Indicator 65ml Sale priceFrom £5.81
Sold outOn sale
Palintest Ozone Photometer Reagents ( Discontinued)Palintest Ozone Photometer Reagents ( Discontinued)
Palintest
Palintest Ozone Photometer Reagents ( Discontinued) Sale priceFrom £26.64 Regular price£29.60
On sale
Palintest Fluoride Photometer ReagentsPalintest Fluoride Photometer Reagents
Palintest
Palintest Fluoride Photometer Reagents Sale priceFrom £49.86 Regular price£55.40
Lovibond Spare Bottle For SamplerLovibond Spare Bottle For Sampler
Lovibond
Lovibond Spare Bottle For Sampler Sale price£11.78
Save £6.60
Lovibond Permanganate 100 Tablets
Lovibond
Lovibond Permanganate 100 Tablets Sale price£44.19 Regular price£50.79
On sale
Palintest Aluminium ReagentsPalintest Aluminium Reagents
Palintest
Palintest Aluminium Reagents Sale priceFrom £36.45 Regular price£40.50

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