DPD No.1

DPD No.1 Products are used to measure free chlorine levels in water, which is the active part that kills bacteria and keeps water safe. Monitoring free chlorine is essential for pools, spas, and drinking water to ensure it stays clean and healthy. These products make testing fast, easy, and reliable, helping you maintain balanced water that’s safe for everyone to use.

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62 products

Hach Free Chlorine DPD Reagent Powder Pillows, 10 mL, pk/100
Hach
Hach Free Chlorine DPD Reagent Powder Pillows, 10 mL, pk/100 Sale price£35.65
Lovibond DPD No 1 High Calcium Tablets (EPL)Lovibond DPD No 1 High Calcium Tablets (EPL)
Lovibond
Lovibond DPD No 1 High Calcium Tablets (EPL) Sale priceFrom £15.16
DTK-TAW
DPD Free Chlorine Pillows, 10ml Sample Sale price£32.94
Save £30.88
Lovibond Vario Chlorine Free DPD F10mlLovibond Vario Chlorine Free DPD F10ml
Lovibond
Lovibond Vario Chlorine Free DPD F10ml Sale price£206.64 Regular price£237.52
Sold outSave £1.35
Lovibond DPD No 1 Free Chlorine Liquid Reagent A
Lovibond
Lovibond DPD No 1 Free Chlorine Liquid Reagent A Sale price£9.05 Regular price£10.40
Save £2.58
Lovibond Refill Pack for 5 in 1 Multipooltester
Lovibond
Lovibond Refill Pack for 5 in 1 Multipooltester Sale price£17.28 Regular price£19.86
LaMotte Chlorine DPD no.1 ColorQ Tablets (100)LaMotte Chlorine DPD no.1 ColorQ Tablets (100)
LaMotte
LaMotte Chlorine DPD no.1 ColorQ Tablets (100) Sale price£18.00
Save £6.61
Lovibond DPD No 1 Free Chlorine Liquid Reagent B Pack
Lovibond
Lovibond DPD No 1 Free Chlorine Liquid Reagent B Pack Sale price£44.25 Regular price£50.86
Save £1.23
Lovibond Refil Pack For 3 Chamber Tester (4 in 1 Test Kit)
Lovibond
Lovibond Refil Pack For 3 Chamber Tester (4 in 1 Test Kit) Sale price£8.26 Regular price£9.49
Two boxes of Lovibond Water Testing DPD No. 1 Rapid and Phenol Red Rapid test tablets, each containing 100 test tablets for water testing.Testallwater Lovibond Multipack : DPD No 1 Rapid//Phenol Red Rapid, 100 pack
Lovibond
Testallwater Lovibond Multipack : DPD No 1 Rapid//Phenol Red Rapid, 100 pack Sale price£20.00
J-QUANT Chlorine 10,000, 100 strips/pkJ-QUANT Chlorine 10,000, 100 strips/pk
Johnson Analytica
J-QUANT Chlorine 10,000, 100 strips/pk Sale price£8.80
J-Quant Chlorine Indicator Strips (0-1000mg/l)J-Quant Chlorine Indicator Strips (0-1000mg/l)
Johnson Analytica
J-Quant Chlorine Indicator Strips (0-1000mg/l) Sale price£8.21
Save £12.61
Vario Chlorine Free&Total 10mlVario Chlorine Free&Total 10ml
Lovibond
Vario Chlorine Free&Total 10ml Sale price£84.38 Regular price£96.99
Save £10.06
Lovibond Vario Chlorine Total 10mlLovibond Vario Chlorine Total 10ml
Lovibond
Lovibond Vario Chlorine Total 10ml Sale price£67.35 Regular price£77.41
Save £10.06
Lovibond Vario Chlorine Free 10ml (Powder Refill Pack for Dispenser)Lovibond Vario Chlorine Free 10ml (Powder Refill Pack for Dispenser)
Lovibond
Lovibond Vario Chlorine Free 10ml (Powder Refill Pack for Dispenser) Sale price£67.35 Regular price£77.41
DPD No 1 (Free) Photometer Tablets
Trace2o
DPD No 1 (Free) Photometer Tablets Sale price£17.19
Save £0.42
Hanna Instruments-701-25 Reagents for Hanna Instruments-701 Free Chlorine Pocket Checker
Hanna Instruments
Hanna Instruments-701-25 Reagents for Hanna Instruments-701 Free Chlorine Pocket Checker Sale price£7.98 Regular price£8.40
Chlorine (DPD No 1 & 3) 50 Tablets
Trace2o
Chlorine (DPD No 1 & 3) 50 Tablets Sale price£6.07
Lovibond
Lovibond Vario DPD Chlorine Free PP 5ml Sale price£14.89 Regular price£17.11
Test All Water Chlorine (DPD No 1 & 3) 100 TabletsTest All Water Chlorine (DPD No 1 & 3) 100 Tablets
Trace2o
Test All Water Chlorine (DPD No 1 & 3) 100 Tablets Sale price£20.84
Palintest DPD No 1 Rapid Dissolve Strip of 10 TabletsPalintest DPD No 1 Rapid Dissolve Strip of 10 Tablets
Palintest
Palintest DPD No 1 Rapid Dissolve Strip of 10 Tablets Sale price£2.01
Sold out
Chlorine (DPD No 1 & 3) 250 TabletsChlorine (DPD No 1 & 3) 250 Tablets
Trace2o
Chlorine (DPD No 1 & 3) 250 Tablets Sale price£27.41
Save £18.65
PD250 Dispenser Set 1 - Free ChlorinePD250 Dispenser Set 1 - Free Chlorine
Lovibond
PD250 Dispenser Set 1 - Free Chlorine Sale price£124.82 Regular price£143.47
Save £1.72
Hanna Instruments HI-93734 Reagents for Chlorine PhotometerHanna Instruments HI-93734 Reagents for Chlorine Photometer
Hanna Instruments
Hanna Instruments HI-93734 Reagents for Chlorine Photometer Sale price£32.68 Regular price£34.40

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