Barasa tare da maida hankali na 75% yana saurin fashewa lokacin da hasken rana ya fallasa. Kasancewar ruwa mai ƙonewa, yana da ma'aunin walƙiya na 20 ° C, da kuma lokacin bazara, zafin waje na iya tashi sama da 40 ° C, yana kara yawan haɗarin barasa konewa da fashewa a rana.
Don adanawa lafiya 75% barasa, yakamata a ajiye shi cikin sanyi, wuri mai kyau wanda zafin jiki bai wuce 30 ° C ba. Akwatin yana buƙatar a rufe shi da kyau kuma a adana shi daban daga masu oxidizers, acid, karfe alkali, da amines don hana duk wani mu'amala mai haɗari. Ana ba da shawarar yin amfani da tsarin hasken wuta mai hana fashewa, tare da tsauraran takunkumi kan injuna da kayan aikin da ka iya haifar da tartsatsi.