Gravity Retrofits

For Increasing Flow Rates and Effluent Quality

When you need finer particulate filtration and/or greater capacity, Macrolite® Engineered Ceramic Media is an excellent replacement media.

  • Superior filtration efficiency
  • Can handle 6 to 10 gpm/ft2 flux
  • Can consistently maintain turbidity readings under 0.1 NTU, even with weather-induced influent disturbances

Retrofitting your gravity system can be easy

  • Macrolite can be used with many of the current underdrains and porous plates used today
  • Its backwash rate is equal to its service flow rate of 6 to 10 gpm/ft2, reducing your plumbing and energy requirements
  • Since Macrolite media does not abrade like anthracite, it can keep performing for 20+ years with virtually no losses
Gravity System