DPD No.1 Test Kits

DPD No.1 Products are used to measure free chlorine levels in water, which is key for keeping pools, spas, and drinking water safe and clean. Free chlorine is the active part that kills bacteria and other harmful microorganisms. These products make testing quick and easy, helping you maintain balanced, healthy water that’s safe for everyone to use.

Filters

Sort by:

65 products

Save £27.46
Lovibond Checkit 5 in 1 Pool & Spa Balanced Water KitLovibond Checkit 5 in 1 Pool & Spa Balanced Water Kit
Lovibond
Lovibond Checkit 5 in 1 Pool & Spa Balanced Water Kit Sale price£183.76 Regular price£211.22
Palintest Balanced Water Chlorine / pH KitPalintest Balanced Water Chlorine / pH Kit
Palintest
Palintest Balanced Water Chlorine / pH Kit Sale price£60.00
Lovibond Checkit Comparator Chlorine 10-300mg/lLovibond Checkit Comparator Chlorine 10-300mg/l
Lovibond
Lovibond Checkit Comparator Chlorine 10-300mg/l Sale price£73.06
Lovibond Ozone in the Presence of Chlorine Checkit Comparator KitLovibond Ozone in the Presence of Chlorine Checkit Comparator Kit
Lovibond
Lovibond Ozone in the Presence of Chlorine Checkit Comparator Kit Sale price£75.02
Save £61.82
Lovibond MD100T Photometer Chlorine OTZ (Discontinued)Lovibond MD100T Photometer Chlorine OTZ (Discontinued)
Lovibond
Lovibond MD100T Photometer Chlorine OTZ (Discontinued) Sale price£550.77 Regular price£612.59
Save £38.97
Lovibond AF112A Free, Combined & Total Chlorine Kit
Lovibond
Lovibond AF112A Free, Combined & Total Chlorine Kit Sale price£260.78 Regular price£299.75
Save £3.55
Palintest Chlorine (0.1-3mg/l) /pH / Alkalinity PooltesterPalintest Chlorine (0.1-3mg/l) /pH / Alkalinity Pooltester
Palintest
Palintest Chlorine (0.1-3mg/l) /pH / Alkalinity Pooltester Sale price£20.15 Regular price£23.70
Save £8.21
Palintest Contour Comparator Kit, Free+Total Chl 0-2mg/L Cl?Palintest Contour Comparator Kit, Free+Total Chl 0-2mg/L Cl?
Palintest
Palintest Contour Comparator Kit, Free+Total Chl 0-2mg/L Cl? Sale price£73.89 Regular price£82.10
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
Save £45.73
Lovibond AF112G Shipboard Chlorine KitLovibond AF112G Shipboard Chlorine Kit
Lovibond
Lovibond AF112G Shipboard Chlorine Kit Sale price£306.02 Regular price£351.75
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 £59.02
Lovibond AF116B Chlorine / pH kitLovibond AF116B Chlorine / pH kit
Lovibond
Lovibond AF116B Chlorine / pH kit Sale price£394.95 Regular price£453.97
Save £9.82
Lovibond Pooltester Chlorine / pH High Range
Lovibond
Lovibond Pooltester Chlorine / pH High Range Sale price£11.50 Regular price£21.32
Save £3.75
Hanna Instruments HI-7014 Free Chlorine CheckerHanna Instruments HI-7014 Free Chlorine Checker
Hanna Instruments
Hanna Instruments HI-7014 Free Chlorine Checker Sale price£71.35 Regular price£75.10
Save £85.43
Lovibond MD 200 Chlorine, pH, Cyanuric acid, tablet reagents (OTZ)Lovibond MD 200 Chlorine, pH, Cyanuric acid, tablet reagents (OTZ)
Lovibond
Lovibond MD 200 Chlorine, pH, Cyanuric acid, tablet reagents (OTZ) Sale price£571.72 Regular price£657.15
Save £26.44
Hanna Instruments HI-97710 pH, Free & Total Chlorine Photometer
Hanna Instruments
Hanna Instruments HI-97710 pH, Free & Total Chlorine Photometer Sale price£502.46 Regular price£528.90
Save £11.37
Palintest Contour Comparator Kit Free & Total Chlorine, Dual RangePalintest Contour Comparator Kit Free & Total Chlorine, Dual Range
Palintest
Palintest Contour Comparator Kit Free & Total Chlorine, Dual Range Sale price£102.33 Regular price£113.70
Save £10.92
Lovibond Checkit Comparator Chlorine 0.02 - 0.3 mg/lLovibond Checkit Comparator Chlorine 0.02 - 0.3 mg/l
Lovibond
Lovibond Checkit Comparator Chlorine 0.02 - 0.3 mg/l Sale price£73.06 Regular price£83.98
Save £601.05
Palintest Potakit+
Palintest
Palintest Potakit+ Sale price£3,405.95 Regular price£4,007.00
Save £59.02
Lovibond AF116A Chlorine & pH Kit
Lovibond
Lovibond AF116A Chlorine & pH Kit Sale price£394.95 Regular price£453.97
Save £1.71
Lovibond Mini Pooltester DPD No.1/pH High RangeLovibond Mini Pooltester DPD No.1/pH High Range
Lovibond
Lovibond Mini Pooltester DPD No.1/pH High Range Sale price£11.43 Regular price£13.14
Save £291.56
Lovibond Water Safety Kit BasicLovibond Water Safety Kit Basic
Lovibond
Lovibond Water Safety Kit Basic Sale price£1,951.23 Regular price£2,242.79
Save £2.31
Lovibond Compact Pool Test Kit Bromine/Chlorine LR-pH, in mini caseLovibond Compact Pool Test Kit Bromine/Chlorine LR-pH, in mini case
Lovibond
Lovibond Compact Pool Test Kit Bromine/Chlorine LR-pH, in mini case Sale price£15.43 Regular price£17.74
Save £14.16
Lovibond Checkit Comparator 2 in 1 Chlorine DPD/pH Kit
Lovibond
Lovibond Checkit Comparator 2 in 1 Chlorine DPD/pH Kit Sale price£94.80 Regular price£108.96

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