
Palintest Standard Tubetests Heater
Digest up to 12 samples for COD, heavy metals and nutrients in a hard-wearing heater block with the Standard Tubetests® Heater.
The analysis of wastewater for Chemical Oxygen Demand requires a robust and reliable COD heater block for closed reflux analysis. Amongst the features are:
Simple to use – set the temperature required and the time for digestion
Safe and reliable – supplied complete with safety cover and LED display showing current status
Compatible with all Palintest Tubetests reagents to create a complete wastewater analysis system
Digest up to 12 samples for COD, heavy metals and nutrients in a hard-wearing heater block with the Standard Tubetests® Heater.
The analysis of wastewater for Chemical Oxygen Demand requires a robust and reliable COD heater block for closed reflux analysis.
Amongst the features are:
Simple to use –set the temperature required and the time for digestion
Safe and reliable – supplied complete with safety cover and LED display showing current status
Compatible with all Palintest Tubetests reagents to create a complete wastewater analysis system

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.