Monthly Archives: September 2010

Biomatic pond filter: The pond filter experiment

Posted on September 23, 2010 by Orpheus

Just a short note here. The “pond filter” mentioned on the slow sand filter site slowsandfilter.org has been working for 15 weeks. The thing is put together without the elaborate “baffle” pipe assembly and using .35 mm effective size sand. … Continue reading →

Posted in slow sand water filter study and construction | 1 Comment