bn:00841956n
Noun Concept
Categories: Environmental soil science, Water filters, DIY culture, Appropriate technology
EN
lava filter  Lavafilter  lavastone
EN
A lava filter is a biological filter that uses lavastone pebbles as support material on which microorganisms can grow in a thin biofilm. Wikipedia
Definitions
Relations
Sources
EN
A lava filter is a biological filter that uses lavastone pebbles as support material on which microorganisms can grow in a thin biofilm. Wikipedia
Wikipedia
Wikidata
Wikipedia Redirections