Kwalban filastik suna daukar sama da shekaru 200 don ruɓewa, don haka ana buƙatar gaggawa madadin. Yana ba da shawarar yin kwalabe na algae don kada a lalata gurɓataccen yanayi.
Ana amfani da fiye da 50% na kwalaben roba sau ɗaya kawai, bayan haka sun zama ba dole ba kuma a jefa su cikin kwandon shara. Kuna iya samun kwalba daga ciki idan an gauraye shi a cikin mafi kyau gwargwadon ruwa.
Henri Jonsson da kansa ya gudanar da gwaji wanda aka cakuɗa agar da ruwa zuwa yanayi mai kama da jelly kuma aka zuba a cikin wani abu. Wannan kyakkyawan aiki ne kuma a yau shine mafi kyawun maye gurbin filastik.