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:

4195 products

DTK-TAW
PA3 - Alkalinity OH Reagent Sale priceFrom £5.59
Sold out
Nutrient Agar with TTC* and Malt Extract Agar
TEST ALL WATER
Nutrient Agar with TTC* and Malt Extract Agar Sale price£10.40
Trace2o
Nitrate Photometer Tablets Trace2o Sale priceFrom £66.18
Save £271.13
MD200 COD Vario SetupMD200 COD Vario Setup
Lovibond
MD200 COD Vario Setup Sale price£1,814.55 Regular price£2,085.68
LovibondPhosphate HR, ortho 5-80mg/l Photometer Reagent Pack
Lovibond
LovibondPhosphate HR, ortho 5-80mg/l Photometer Reagent Pack Sale price£17.17
Save £14.71
Lovibond W600.OG.5.25'' Cells
Lovibond
Lovibond W600.OG.5.25'' Cells Sale price£98.43 Regular price£113.14
Save £19.78
Lovibond W600.OG.100mm Cell
Lovibond
Lovibond W600.OG.100mm Cell Sale price£132.41 Regular price£152.19
Save £42.56
Lovibond Set of 4 Standards TurbiDirect
Lovibond
Lovibond Set of 4 Standards TurbiDirect Sale price£284.81 Regular price£327.37
Save £10.84
Lovibond Test Set, BOD CM Test Tablets
Lovibond
Lovibond Test Set, BOD CM Test Tablets Sale price£72.53 Regular price£83.37
Lovibond Phosphate Checkit Disc 0-80mg/l
Lovibond
Lovibond Phosphate Checkit Disc 0-80mg/l Sale price£25.16
Save £4.18
Lovibond pH Buffer Set 4,00/7,00/10,00Lovibond pH Buffer Set 4,00/7,00/10,00
Lovibond
Lovibond pH Buffer Set 4,00/7,00/10,00 Sale price£27.94 Regular price£32.12
Sold out
Lovibond Nitrite Drop Test Kit (Replaced with 56K700300)Lovibond Nitrite Drop Test Kit (Replaced with 56K700300)
Lovibond
Lovibond Nitrite Drop Test Kit (Replaced with 56K700300) Sale price£60.10
Sold outSave £73.56
Lovibond MD100T Photometer Cl, ClO2 - Lovibond (Discontinued now use code 282120)Lovibond MD100T Photometer Cl, ClO2 - Lovibond (Discontinued now use code 282120)
Lovibond
Lovibond MD100T Photometer Cl, ClO2 - Lovibond (Discontinued now use code 282120) Sale price£654.71 Regular price£728.27
Lovibond MPS-Out Photometer Tablets
Lovibond
Lovibond MPS-Out Photometer Tablets Sale price£22.81
Save £1.06
Lovibond KS160 -TH2-FE8-FC2-Total Hardness Buffer
Lovibond
Lovibond KS160 -TH2-FE8-FC2-Total Hardness Buffer Sale price£7.06 Regular price£8.12
Lovibond MD 200 2 in 1 Hydrogen Peroxide / pHLovibond MD 200 2 in 1 Hydrogen Peroxide / pH
Lovibond
Lovibond MD 200 2 in 1 Hydrogen Peroxide / pH Sale price£599.62
Save £1.35
Lovibond DPD No 3 Total Chlorine Liquid Reagent C
Lovibond
Lovibond DPD No 3 Total Chlorine Liquid Reagent C Sale price£9.05 Regular price£10.40
Save £3.76
Lovibond Copper Checkit Disc 0-5 mg/l Cu
Lovibond
Lovibond Copper Checkit Disc 0-5 mg/l Cu Sale price£25.16 Regular price£28.92
Save £3.76
Lovibond Chlorine HR Checkit Disc 10-300 mg/lLovibond Chlorine HR Checkit Disc 10-300 mg/l
Lovibond
Lovibond Chlorine HR Checkit Disc 10-300 mg/l Sale price£25.16 Regular price£28.92
Save £42.50
Lovibond Chlorine High Range Kit AF102 3/2ARP
Lovibond
Lovibond Chlorine High Range Kit AF102 3/2ARP Sale price£284.45 Regular price£326.95
Save £9.47
Lovibond Checkit Comparator Chlorine 0-2mg per /lLovibond Checkit Comparator Chlorine 0-2mg per /l
Lovibond
Lovibond Checkit Comparator Chlorine 0-2mg per /l Sale price£63.41 Regular price£72.88
Lovibond Checkit Comparator Kit - OzoneLovibond Checkit Comparator Kit - Ozone
Lovibond
Lovibond Checkit Comparator Kit - Ozone Sale price£75.02
Lovibond Arsenic Test Kit
Lovibond
Lovibond Arsenic Test Kit Sale price£197.87
Save £5.97
Lovibond Aluminium No.1 & No.2 Combi Pack (EPL)Lovibond Aluminium No.1 & No.2 Combi Pack (EPL)
Lovibond
Lovibond Aluminium No.1 & No.2 Combi Pack (EPL) Sale price£39.94 Regular price£45.91

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