





Lovibond DPD No 1 Free Chlorine Reagents
Lovibond DPD No.1 Free Chlorine tablets are high-precision reagents used for testing free chlorine levels in water.
The tablet is placed in a cuvette with a few drops of the water sample and crushed, sample water is added and mixed by swirling. The value can be measured immediately, ensuring the highest accuracy of results.
DPD No.1 is also used for the determination of bromine, ozone and monochloramine-dichloramine.
Key Features:
- Fast dissolving tablets provide clear and reliable results
- Consistent perfromance
- Conveniently packaged
- Help to maintain balanced and safe water conditions
Ideal for use in:
- Swimming pools
- Spas
- Drinking water testing
Suitable for Photometers and Comparators
Available in pack sizes of 500, 250 & 100
511052BT: 500 pack
511051BT: 250 pack
511050BT: 100 pack

Frequently Asked Questions
Clear answers to help you choose the right water testing solution with confidence
Which brands of water testing kits do you supply?
Do you provide kits for both home and professional use?
Yes — whether you’re a pool or spa owner, aquarium keeper, utility company, or a university laboratory, we have the right solution for your needs.
Can I arrange servicing or calibration for my photometer?
Absolutely. We also provide servicing and calibration to keep your photometers accurate and reliable.
How quickly do you dispatch orders?
Orders placed before 2:30 pm (Monday–Friday) are dispatched the same day. We also ship on Saturdays for your convenience.
Which couriers do you use for delivery?
We deliver through UPS, DPD, and Royal Mail. You can also choose to upgrade to next-day delivery at checkout.
What is your return policy?
We accept returns within 14 days of delivery provided the items are unused, in their original packaging, and in resalable condition. Please contact our team before returning any items.
Can I place bulk or business orders?
Yes, we welcome bulk, trade, and institutional orders. For tailored pricing or large quantities, please get in touch with us directly.
How can I get help if I’m unsure which kit to buy?
You can call us at 📞 +44 (0)115888 2726 and our team will guide you in choosing the most suitable kit for your needs.