The slurry ice nthawi zambiri amapangidwa ndi madzi a m'nyanja kapena okoma mtimamwa akusakaniza madzi abwino ndi mchere, mu mawonekedwe a madzi oundana ndi ayezi, ofewa ndi kuphimba kwathunthu katundu/zakudya zam'nyanja ndi zina. Kuzizira nsomba nthawi yomweyo ndi kuzizira kwambiri kwa nthawi 15 mpaka 20 zomwe ndi zabwino kuposa ayezi wamba kapena ice ice. Komanso, madzi oundana amtundu uwu, amatha kuponyedwa pamtunda kuchokera ku 20% mpaka 50% ndikusungidwa mu thanki, yosavuta kugawa ndikugwira.