Your water filter may be the biggest biohazard in your building

Your water filter may be the biggest biohazard in your building

Prozon|February 25, 2026|2 min read
SAOTersanoCleaningDisinfectionWTSlotus Water Treatment SystemFood

Your Water Filter May Be the Biggest Biohazard in Your Building

Your Water Filter Could Be Doing More Harm Than Good

Steve Hengsperger, CEO of Tersano and an avid water technology specialist, has shared a striking insight about traditional water filtration systems in buildings. The carbon filters and RO systems we trust to deliver clean water may actually be making things worse.

The core problem: when filters strip chlorine from water - the only line of defense against waterborne pathogens - they turn beverage dispensers and ice machines into high-speed incubators for Pseudomonas, biofilm, and coliforms.

Why Traditional Cleaning Does Not Solve This

  • The 95% rule: 95% of bacteria live within biofilm (slime), which is biologically engineered to resist chemicals
  • Biofilm survives freezing: Biofilm does not just survive in ice machines - it thrives in them
  • Saturated filters become food: Once a carbon filter saturates, it stops being a shield and becomes a nutrient-rich food source for bacterial colonies

Standard filters make no claims about pathogen protection - read the fine print. And a deep clean? It only scratches the surface of a problem that regenerates from within.

Time to Rethink Water Filtration

It is time to stop settling for filtration that compromises public health for the sake of standard practice. We need to move beyond traditional carbon and embrace technology that actually protects the end-user.

Prozon will soon be introducing a brand new product category to our portfolio - one that is born to make another big shift in the industry. Stay tuned.

Read Steve Hengsperger's full post on LinkedIn