Crushed Granite Water Purifiion. crushed quartz for water treatmentcrushed quartz for water treatment 3m aquapure quartz gravel, for use with: water treatment the 3m whole house water purifiion system,a media filter is a type of filter that uses a bed of silica sand, crushed granite or other material to filter water for drinking, swimming pools, aquaculture, irrigation, .
· The porosity of the stone walls refers to the water purifiion process, which includes filtration through a bed of crushed granite (shown). Photo courtesy gh3 architecture, Raymond Chow. Openings are extended the walls' full 12foot height, accentuating their heft. Photo courtesy gh3 architecture, Raymond Chow. Image courtesy gh3 architecture. August 1, .