Saddu'a alewawani samfur ne da ruwa mai tsabta ya yi tare da farin sukari ko launin ruwan kasa kuma an sanya shi cikin nau'ikan kwalabe masu yawa masu ban sha'awa. Ana samun samfuran da aka kera na kasuwanci don shaguna da manyan kantuna masu dacewa. Ana iya amfani da wannan kayan don yawancin ayyuka iri ɗaya waɗanda yawanci ke buƙatar sukari, kamar abubuwan sha masu daɗi.
Wadannan kwalabe masu launuka iri-iri da bututu na iya zama kamar wani abu daga wurin mayen, irin su Wuta mai siffar feshi mai siffar wuta, kwalaben gwangwani mai siffar feshi, alewar feshi mai siffar nakiyar, alewar feshi mai siffar bindiga, alewar fesa mai sauƙi, alewa mai fesa kwalban, kwalban abin sha. siffa mai feshi alewa, nono kwalban siffar bakin fesa, wadannan m kwalabe .Kuma tubes iya yi kama da wani abu daga mayen ta kabad, amma suna da gaske kawai wata fun hanyar gamsar da zaki da hakori! Kewayon kayan zaki na fesa ruwa yana fasalta kewayon samfura mafi hauka da wanki.
Samar da alewar fesa yana buƙatar ƙaƙƙarfan buƙatun muhalli, kuma ana buƙatar tsabtace ruwan da aka tsarkake da kuma lalata shi kafin kwalban don guje wa matsalolin inganci kamar ƙazanta da wari a cikin ruwa bayan abokan ciniki sun karɓi kayan.