Lovibond Phenol Red Rapid Dissolve Tablets
Lovibond Phenol Red Rapid Dissolve Tablets are premium reagents specifically formulated for the precise measurement of pH levels in water systems, including swimming pools, spas, and various industrial applications.
These tablets use Phenol Red, a reliable pH indicator, and are designed to dissolve quickly, ensuring fast and accurate pH testing with minimal effort. Their convenient, pre-measured format makes them ideal for routine monitoring and maintenance of water quality.
Phenol Red is used for measuring pH levels from 6.8 to 8.4.
These tablets change colour when dissolved in the water sample and have been developed for use in visual water testing kits, pool testers and comparators
Not suitable for photometers.
Available in pack sizes of 100 & 250 & 500
511790BT: 100 pack
511791BT: 250 pack
511792BT: 500 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.