Most people outside the specialist cleaning sector will never have heard of biofilms. Invisible, but everywhere, biofilms are the immobile communities of microorganisms that stick to one another, and then onto surfaces. They often float freely in the air until the right environmental cues attract them onto a surface, where they mature and multiply. Why should we care about them, and how can we tackle them? Dave Rudge, operations manager for REACT Specialist Cleaning, tells us more.Most people ou