Hanna Instruments HI-70224L Pool Line ORP Test Solution 470mV 500ml bottle
HI-70224L is an ORP test solution in a 500ml bottle designed for testing the precision of ORP Platinum and Gold electrodes within +/- 50 mV of 470 mV @ 20°C.
Designed for use with Hanna’s Pool Line range of instrumentation, the bottles are ideal for big users and make for easy testing around the pool side, spas and hot tubs.
By simply immersing the ORP electrode in the test solution, users can quickly see if the electrode is reading accurately within the specified range. Using this as a diagnostic tool, users can clean and condition ORP electrodes, when necessary, to achieve correct measurements.
Each bottle has a lot number and expiry date clearly listed.
All sachets and bottles have an air tight, tamper-proof seal to maintain the quality of the solution.
*A Certificate of Analysis is available on request.
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.