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.

Filters

Sort by:

4196 products

Sold out
eXact Strip Micro Bromine (DPD-1)eXact Strip Micro Bromine (DPD-1)
ITS
eXact Strip Micro Bromine (DPD-1) Sale price£13.04
Lovibond
Buffer Solution pH 7,00 (25 'C Sale price£12.93 Regular price£14.86
Lovibond
Buffer Solution pH 4,00 (25 'C Sale price£12.93 Regular price£14.86
Lovibond
Calcium Hardness Tablets (100 Tablets) Sale price£11.33
Save £12.17
Hanna Instruments Conductivity Mini Controller (Range 199.9 µS/cm) BL-983320-0
Hanna Instruments
Hanna Instruments Conductivity Mini Controller (Range 199.9 µS/cm) BL-983320-0 Sale price£231.23 Regular price£243.40
Sold out
AquaSPArkle - Bromine Infused GranulesAquaSPArkle - Bromine Infused Granules
Aqua Sparkle
AquaSPArkle - Bromine Infused Granules Sale price£10.09
AquaSPArkle - Spa 20g Chlorine TabletsAquaSPArkle - Spa 20g Chlorine Tablets
Aquasparkle
AquaSPArkle - Spa 20g Chlorine Tablets Sale price£10.46
Beer pH Indicator Strips( pH 4.6 - 6.2)Beer pH Indicator Strips( pH 4.6 - 6.2)
Johnson Analytica
Beer pH Indicator Strips( pH 4.6 - 6.2) Sale price£2.73
Arsenometer® Arsenic Refill Pack Trace2o
Trace2o
Arsenometer® Arsenic Refill Pack Trace2o Sale price£185.00
Ammonia Test Strips [0-5ppm] (25Pk)Ammonia Test Strips [0-5ppm] (25Pk)
DTK-TAW
Ammonia Test Strips [0-5ppm] (25Pk) Sale price£26.49
Alkalinity-M (HR) Photometer Tablets
Trace2o
Alkalinity-M (HR) Photometer Tablets Sale priceFrom £19.66
Save £24.85
Lovibond Ammonia Vario Powder Reagent SetLovibond Ammonia Vario Powder Reagent Set
Lovibond
Lovibond Ammonia Vario Powder Reagent Set Sale price£166.34 Regular price£191.19
Save £1.51
Lovibond AF763 Reference Tube Seta
Lovibond
Lovibond AF763 Reference Tube Seta Sale price£28.62 Regular price£30.13
Save £2.52
Lovibond Alkalinity M Tablets BottleLovibond Alkalinity M Tablets Bottle
Lovibond
Lovibond Alkalinity M Tablets Bottle Sale price£16.88 Regular price£19.40
Save £13.27
Lovibond 4/9 Resazurin DiscLovibond 4/9 Resazurin Disc
Lovibond
Lovibond 4/9 Resazurin Disc Sale price£252.14 Regular price£265.41
Lovibond 3/40CZ Chlorine/pH Disc
Lovibond
Lovibond 3/40CZ Chlorine/pH Disc Sale price£131.84
Save £20.36
Lovibond 3/2IOD Chlorine DPD Disc 5.0 - 250 mg/L
Lovibond
Lovibond 3/2IOD Chlorine DPD Disc 5.0 - 250 mg/L Sale price£136.26 Regular price£156.62
16mm sample vials for photometer (pk 5) Trace2o
Trace2o
16mm sample vials for photometer (pk 5) Trace2o Sale price£37.00
24mm sample vials for photometer (pk 5) Trace2o
Trace2o
24mm sample vials for photometer (pk 5) Trace2o Sale price£40.75
2ml Plastic Syringe
Palintest
2ml Plastic Syringe Sale price£5.39
Save £13.76
La Motte Peracetic Acid Test Strips - Low Range 0-50 Expired 06/26La Motte Peracetic Acid Test Strips - Low Range 0-50 Expired 06/26
Lamotte
La Motte Peracetic Acid Test Strips - Low Range 0-50 Expired 06/26 Sale price£3.50 Regular price£17.26
Save £14.27
La Motte Peracetic Acid Test Strips - Low Range 0-50 Expired 05/26La Motte Peracetic Acid Test Strips - Low Range 0-50 Expired 05/26
Lamotte
La Motte Peracetic Acid Test Strips - Low Range 0-50 Expired 05/26 Sale price£2.99 Regular price£17.26
Save £4.26
La Motte Insta-TEST Monopersulfate (MPS), Alkalinity, pH Test Strips Expired 12/25La Motte Insta-TEST Monopersulfate (MPS), Alkalinity, pH Test Strips Expired 12/25
Lamotte
La Motte Insta-TEST Monopersulfate (MPS), Alkalinity, pH Test Strips Expired 12/25 Sale price£2.99 Regular price£7.25
Save £15.78
LaMotte Insta-Test Free and Total Chlorine Test Strips Expired 07/26
LaMotte
LaMotte Insta-Test Free and Total Chlorine Test Strips Expired 07/26 Sale price£2.99 Regular price£18.77

International Delivery

For small orders & export tenders

12,000+ PRODUCTS

From the Market Leaders

Support & Trade Accounts

Contact Us for Support & Trade Accounts

Secure payments

Online payments securely administed by Shopify