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The Phenolphthalein Indicator Solution (65ml) is a high-quality, reliable reagent widely used in chemical analysis and educational laboratories. This versatile indicator is essential for titration procedures, particularly in acid-base titrations, where it serves to precisely signal the endpoint of the reaction by changing colour. With its distinct and clear colour change, phenolphthalein is an indispensable tool for both professional chemists and students.
Add 5 drops of PA1 and continue with Alkalinity Test
Key Features:
- Clear and distinct colour change
- Reliable and consistent quality
- Convenient 65ml bottle
- Secure and easy to use packaging
- Educational and professional use
- High sensitivity and accuracy
- Safe handling and usage
Ideal for use in:
- Acid-base titrations
- Educational laboratories
- Water quality testing
- Industrial analysis
- Environmental analysis
- Food and beverage testing
- Cosmetics and pharmaceuticals
Sku: SDT001-65
Equivalent to Lovibond 56L013565

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.