biosand filters
May 1, 2014
Biosand water filters are one of the many ways of ensuring safe drinking water, whether it is rainwater from your rain water tank or water from […]
October 3, 2013
If rainwater from rain water tanks is to be used for potable purposes, it should always be filtered and/or purified. Sand filters are one way of […]
October 19, 2012
Biosand and slow sand filters are very useful for filtering water for drinking in poor communities or for those who want to go ‘off-grid’ and construct […]