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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4001 products

On sale
Palintest Sulphate TabletsPalintest Sulphate Tablets
Palintest
Palintest Sulphate Tablets Sale priceFrom £18.54 Regular price£20.60
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
On sale
Palintest Alkaphot Photometer ReagentsPalintest Alkaphot Photometer Reagents
Palintest
Palintest Alkaphot Photometer Reagents Sale priceFrom £30.69 Regular price£34.10
PoolLab Calcium Hardness Liquid Reagents KitPoolLab Calcium Hardness Liquid Reagents Kit
WATER-I.D.
PoolLab Calcium Hardness Liquid Reagents Kit Sale price£15.02
On sale
Palintest Iron MR TabletsPalintest Iron MR Tablets
Palintest
Palintest Iron MR Tablets Sale priceFrom £66.51 Regular price£73.90
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
On sale
Palintest Cyanuric Acid ReagentsPalintest Cyanuric Acid Reagents
Palintest
Palintest Cyanuric Acid Reagents Sale priceFrom £29.07 Regular price£32.30
Save £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 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
Spa & Hot Tub Microbiological SamplingHow to take a water sample
Test All Water
Spa & Hot Tub Microbiological Sampling Sale priceFrom £46.50
Palintest Total Alkalinity Tablet Count Bottle 250 tabletsPalintest Total Alkalinity Tablet Count Bottle 250 tablets
Palintest
Palintest Total Alkalinity Tablet Count Bottle 250 tablets Sale price£16.90
On sale
Palintest Iron High Range ReagentsPalintest Iron High Range Reagents
Palintest
Palintest Iron High Range Reagents Sale priceFrom £28.44 Regular price£31.60
Lovibond Spare Bottle For SamplerLovibond Spare Bottle For Sampler
Lovibond
Lovibond Spare Bottle For Sampler Sale price£11.78
Lovibond Phenol Red Comparator TabletsLovibond Phenol Red Comparator Tablets
Lovibond
Lovibond Phenol Red Comparator Tablets Sale priceFrom £4.73
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
On sale
Palintest Ozone Photometer ReagentsPalintest Ozone Photometer Reagents
Palintest
Palintest Ozone Photometer Reagents Sale priceFrom £26.64 Regular price£29.60
On sale
Palintest Iron Low Range TabletsPalintest Iron Low Range Tablets
Palintest
Palintest Iron Low Range Tablets Sale priceFrom £44.28 Regular price£49.20
Lovibond Scuba3sLovibond Scuba3s
Lovibond
Lovibond Scuba3s Sale price£122.16
On sale
Palintest Fluoride Photometer ReagentsPalintest Fluoride Photometer Reagents
Palintest
Palintest Fluoride Photometer Reagents Sale priceFrom £49.86 Regular price£55.40
Save £7.44
Palintest DPD Glycine Tablets -250 tabletsPalintest DPD Glycine Tablets -250 tablets
Palintest
Palintest DPD Glycine Tablets -250 tablets Sale price£42.16 Regular price£49.60
Save £1.08
Palintest Chlorine / pH MinikitPalintest Chlorine / pH Minikit
Palintest
Palintest Chlorine / pH Minikit Sale price£6.12 Regular price£7.20
PoolLab 2.0 PhotometerPoolLab 2.0 Photometer
WATER-I.D.
PoolLab 2.0 Photometer Sale price£142.40
Lovibond Cleaning BrushLovibond Cleaning Brush
Lovibond
Lovibond Cleaning Brush Sale price£3.16
On sale
Palintest Aluminium ReagentsPalintest Aluminium Reagents
Palintest
Palintest Aluminium Reagents Sale priceFrom £36.45 Regular price£40.50

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