Water treatment at the household level (termed household water treatment or point-of-use water treatment) comprises activities and projects used to improve water quality at the home. Examples of these projects include: chlorine tablet distributions (i.e. Aquatabs®), use of liquid chlorine, flocculant/disinfectants (i.e. P&G Purifier of Water™), ceramic water filters, biosand filters, hollow-fiber filters, solar disinfection, and boiling.