Ƙarshe wannan jumla tare da zaɓi mafi kyau: Sanin yawan ruwa don ƙarawa zuwa tsarin ruwa na gida.  Zaɓuɓɓuka: - Kusan kowane mako sai a kara kusan galan na ruwa a wani kusurwar mai shuka, don kada shuke-shuke su nutse. - Kusan kowane mako sai a kara ruwa a kusurwar mai shuka, don kada shuke-shuke su nutse.  Amsa:
Game da kowane mako ƙara kusan galan na ruwa zuwa kusurwar mai shuka, don kada ya nutsar da tsire-tsire.