Lovibond DPD No 3 High Range Tablets
Lovibond DPD No.3 High Range Tablets are specifically formulated for testing high range levels of total chlorine in water samples. When used after DPD No.1 tablets, these high-range DPD No.3 tablets react with both free and combined chlorine to give a clear, colorimetric indication of total chlorine levels.
Designed for use in various water testing situations such as pools, drinking water, and industrial water systems, these tablets are ideal for accurate monitoring in environments where higher chlorine concentrations are present.
Tablets suitable for use on photometers using CL10 reading
Different size boxes available including 100 & 250
511591BT: 250 Pack
511590BT: 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.