




Eutech pH 4 Buffer Solution - 480ml Clearance Item
This variant has expired 29/11/26.
Eutech pH 4 Buffer Solution – 480ml | Clearance
Confidence in your pH readings starts with proper calibration. Eutech pH 4 buffer solution provides a known reference point for calibrating your pH meter, helping you get dependable results when testing acidic samples.
This 480ml bottle is sealed and unused, making it a practical clearance purchase if you regularly calibrate your equipment and can use it soon.
Expires at the end of November. Ideal for an immediate calibration requirement—pick it up for your next round of testing.

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.