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Based in Ellesmere Port, with over 40 years of combined experience in the water treatment industry, we offer a unique service to all our customers. Our focus is on making top of the range reagents and test kit to fit everyone's testing needs. Customers can request bespoke test kits to fit their exact requirements all containing REACH pre-registered reagents to fit any test method. One of our proudest achievements is reducing the hazards on a large number of our reagents. To date, 90% of our reagent range we supply falls into the non-hazardous category as dictated in the CLP regulations. This means not only can we reduce the price of our reagent but reduce costs of transportation. 


Customers can and do trust the experience and knowledge of our lead chemist Phillip Walker. With his ability to develop new, safer formulations to replace existing one still used today and with innovation being one of his top priorities, he is providing the water treatment industry fresh, new solutions to tackle all our customers testing needs. 

Phillip Walker
Technical Advisor

As the founding director of AppChem Ltd Phillip Walker has over 40 years experience in the Water Treatment Industry. Using his knowledge and expertise he has re-formulate existing reagents to make them less hazardous and more cost-effective. He is here to help with any questions or queries you may have.

(LinkedIn profile link below)

Susanne Walker
Sales and Accounts Director

Here to help with any of your purchasing and payment needs. Susanne has worked in the field for 18 years. Feel free to drop her a line or email with any questions or queries.

Paula Walker

IT and Marketing Director

If you are in need of a brochure, see anything on the website you would like more information about or would be interested in selling any of our products through your company please drop her an email.

Water Analysis Test Kits and Reagents