Since the official launch of our trio of Sentinel™ products, we have been overwhelmed by the positive response from both existing and new...

Challis have been helping reduce Carbon footprints since 2015 with the invention of the #waterwidget⁠ ⁠ Installation of this inexpensive...

Pseudomonas aeruginosa is a bacterial species which is particularly good at forming #biofilms. Its growth in drinking water can cause...