A trickling filter is a bed of gravel or plastic media over which pretreated wastewater is sprayed. This publication explains how trickling filters treat wastewater and gives tips on how to maintain them. (4 pp., 2 figures)
Extensión en Español is an archival site. The content is no longer updated, but the site will remain online to allow continued access to existing content.
Extension Educational programs are open to all people without regard to race, color, sex, disability, religion, age or national origin.
EeE Archival Publication Collection
En Español
