




Palintest Round Plastic Test Tubes for Photometer 9 , 25, 7100, 7500
These 10ml test tubes are specifically designed for ensuring precision and consistency in your water analysis. They are very durable so can withstand the rigours of frequent testing.
With consistent dimensions, these tubes fit perfectly in the following Palintest photometers:
- 9 in 1
- 25 in 1
- 7100
- 7500
Lightweight and easy to handle, these test tubes simplify the process of sample collection, reagent mixing, and measurement.
Usage Instructions:
- Sample Collection: Use the test tube to collect a water sample, ensuring it is filled to the appropriate level as indicated by the photometer’s instructions.
- Reagent Addition: Add the required reagent to the water sample in the test tube, following the specific test procedure.
- Mixing: Gently mix the sample to ensure the reagent is fully dissolved or reacted.
- Measurement: Place the test tube in the Palintest photometer to obtain an accurate measurement of the desired water quality parameter.
Suitable for tests undertaken in food and pool environments
PT 524-5: pack of 5
PT 524-5-1: Single Cell

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.