NSF/ANSI 61 Certified for Drinking Water

Reliable chlorination for municipal drinking water

The Constant Chlor® System is a reliable, cost effective solution for municipal and water treatment applications. Using the pillow-shaped, Constant Chlor® briquette, along with the Constant Chlor® feeder’s spray technology, the system produces a fresh concentrated liquid chlorine solution for clean, clear, sanitized water.


  • Kills bacteria, controls algae and aids in removing organic contaminants
  • Consistent and reliable chlorine solution
  • Feeder and briquettes are NSF/ANSI Certified for drinking water
  • Briquettes made in the USA
  • Unique briquette shape creates a well-packed spray bed
  • Minimal operator dosage adjustment
  • Easy to use touch screen (UL508A rated, NEMA 4X control panel with HMI interface)
  • SCADA compatible
  • Compatible with positive displacement pumps
  • Dry, easy-to-handle formulation
  • Scale inhibitor for reliable performance
  • Lite versions also available as an alternative to our feature packed models
  • NSF/ANSI 61 Certified for drinking water
  • Minimal operator dosage adjustment
  • HMI touch screen and SCADA compatible
  • Compatible with positive displacement pumps

Constant Chlor® Briquettes

The MC5 Feed System uses Constant Chlor Briquettes which have high strength 65% minimum AvCL and scale inhibitor for reliable performance.