Frequently Asked Questions

We manufacture a comprehensive range of high-purity laboratory waters including:

• ASTM D1193 Type I, II, III and IV water
• EN ISO 3696 Grade 1, 2 and 3 water
• Nuclease-Free (RNase/DNase-free) water
• PFAS-Free analytical water
• Custom and bespoke formulated waters

All products are manufactured in-house within our ISO-certified facility with full batch traceability and Certificates of Analysis.

ASTM D1193 is a US laboratory water standard, while EN ISO 3696 is the European equivalent.

Both define purity grades for laboratory and scientific applications, but specifications and terminology vary slightly.

Our technical team can advise on the correct standard and grade for your application.

Yes. Full documentation can be supplied with each batch, including Certificates of Analysis, conductivity data, microbiological results and traceability information.

We offer packaging from small laboratory bottles through to bulk containers and custom packaging solutions.

Bespoke labelling and OEM supply options are also available.