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.

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65 products

Save £49.52
Lovibond MD110 Pool Control 6 in 1 PhotometerLovibond MD110 Pool Control 6 in 1 Photometer
Lovibond
Lovibond MD110 Pool Control 6 in 1 Photometer Sale price£495.55 Regular price£545.07
Save £132.00
Palintest Lumiso Pooltest 6Palintest Lumiso Pooltest 6
Palintest
Palintest Lumiso Pooltest 6 Sale price£535.00 Regular price£667.00
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
PoolLab 2.0 PhotometerPoolLab 2.0 Photometer
WATER-I.D.
PoolLab 2.0 Photometer Sale price£129.00
Save £283.95
Palintest Lumiso Expert PhotometerPalintest Lumiso Expert Photometer
Palintest
Palintest Lumiso Expert Photometer Sale price£1,609.05 Regular price£1,893.00
Save £1.08
Palintest Chlorine / pH MinikitPalintest Chlorine / pH Minikit
Palintest
Palintest Chlorine / pH Minikit Sale price£6.12 Regular price£7.20
Save £3.60
Lovibond Pool Test Kit 5 in 1 MiniLovibond Pool Test Kit 5 in 1 Mini
Lovibond
Lovibond Pool Test Kit 5 in 1 Mini Sale price£24.09 Regular price£27.69
Lovibond Checkit Comparator Kit (Chlorine & pH)Lovibond Checkit Comparator Kit (Chlorine & pH)
Lovibond
Lovibond Checkit Comparator Kit (Chlorine & pH) Sale price£94.80
Save £3.55
Palintest Pooltester Chlorine/pH/Total AlkalinityPalintest Pooltester Chlorine/pH/Total Alkalinity
Palintest
Palintest Pooltester Chlorine/pH/Total Alkalinity Sale price£20.15 Regular price£23.70
Save £193.50
Palintest Lumiso Pooltest Expert Photometer KitPalintest Lumiso Pooltest Expert Photometer Kit
Palintest
Palintest Lumiso Pooltest Expert Photometer Kit Sale price£1,096.50 Regular price£1,290.00
Save £73.20
Palintest Lumiso Pooltest 3Palintest Lumiso Pooltest 3
Palintest
Palintest Lumiso Pooltest 3 Sale price£414.80 Regular price£488.00
Save £6.91
Palintest Chlorine (Free & Total) Pocket KitPalintest Chlorine (Free & Total) Pocket Kit
Palintest
Palintest Chlorine (Free & Total) Pocket Kit Sale price£39.19 Regular price£46.10
Save £65.32
Lovibond AF129 Comparator Balanced Water Test KitLovibond AF129 Comparator Balanced Water Test Kit
Lovibond
Lovibond AF129 Comparator Balanced Water Test Kit Sale price£437.16 Regular price£502.48
Save £9.47
Lovibond Checkit Comparator Chlorine 0-4 mg/l Test KitLovibond Checkit Comparator Chlorine 0-4 mg/l Test Kit
Lovibond
Lovibond Checkit Comparator Chlorine 0-4 mg/l Test Kit Sale price£63.41 Regular price£72.88
Sold out
Lovibond 5 in 1 Multi-PooltesterLovibond 5 in 1 Multi-Pooltester
Lovibond
Lovibond 5 in 1 Multi-Pooltester Sale price£51.14
Save £22.03
Water-I.D Pooltester for pH, Chlorine or Bromine & AlkalinityWater-I.D Pooltester for pH, Chlorine or Bromine & Alkalinity
WATER-I.D.
Water-I.D Pooltester for pH, Chlorine or Bromine & Alkalinity Sale price£8.57 Regular price£30.60
Save £124.81
Lovibond Pool Control PM630 PhotometerLovibond Pool Control PM630 Photometer
Lovibond
Lovibond Pool Control PM630 Photometer Sale price£835.27 Regular price£960.08
LaMotte ColorQ 2x, Pro 7LaMotte ColorQ 2x, Pro 7
LaMotte
LaMotte ColorQ 2x, Pro 7 Sale price£220.00
Save £17.85
Palintest Contour Comparator Kit Chlorine 0 -2 mg/l / pHPalintest Contour Comparator Kit Chlorine 0 -2 mg/l / pH
Palintest
Palintest Contour Comparator Kit Chlorine 0 -2 mg/l / pH Sale price£101.15 Regular price£119.00
Lovibond Checkit 5 in 1 Comparator KitLovibond Checkit 5 in 1 Comparator Kit
Lovibond
Lovibond Checkit 5 in 1 Comparator Kit Sale price£237.38
Save £103.97
Lovibond Pool Control 12 in 1 Photometer PM600Lovibond Pool Control 12 in 1 Photometer PM600
Lovibond
Lovibond Pool Control 12 in 1 Photometer PM600 Sale price£695.82 Regular price£799.79
Save £9.47
Lovibond Checkit Comparator Kit Chlorine (Free & Total)Lovibond Checkit Comparator Kit Chlorine (Free & Total)
Lovibond
Lovibond Checkit Comparator Kit Chlorine (Free & Total) Sale price£63.41 Regular price£72.88
Lovibond 6 in 1 (HR) Three Chamber TesterLovibond 6 in 1 (HR) Three Chamber Tester
Lovibond
Lovibond 6 in 1 (HR) Three Chamber Tester Sale price£40.32
Pooltester for pH, Chlorine or BrominePooltester for pH, Chlorine or Bromine
WATER-I.D.
Pooltester for pH, Chlorine or Bromine Sale price£7.50
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