1、檢(jian)查大桶(tong)(tong)水的桶(tong)(tong)蓋(gai)是(shi)否(fou)密封。桶(tong)(tong)蓋(gai)不密封,水容易(yi)受到細菌污染,特別是(shi)在夏季。可用(yong)手試著(zhu)旋轉桶(tong)(tong)蓋(gai),看桶(tong)(tong)蓋(gai)能否(fou)轉動。或(huo)將桶(tong)(tong)放倒一會兒,觀察(cha)桶(tong)(tong)口是(shi)否(fou)有(you)水滲(shen)出。
2、嘗一口水(shui)。正(zheng)常(chang)的水(shui)應有各類水(shui)各自(zi)正(zheng)常(chang)的口感(gan),有時(shi)會有輕(qing)微的臭氧味(wei),這是正(zheng)常(chang)的。如有其他(ta)異味(wei)或塑料味(wei),則不能再飲用。
3、仔細(xi)觀察桶內的水(shui)(shui)質是(shi)否清晰,是(shi)否有懸(xuan)浮(fu)(fu)物(wu),觀察桶壁,不(bu)能(neng)有綠藻出現(xian)。如發現(xian)桶內的水(shui)(shui)中有懸(xuan)浮(fu)(fu)物(wu)、異物(wu)或渾濁時,則(ze)說明水(shui)(shui)質受到污染,不(bu)能(neng)飲用。
4、盡量挑選新桶(tong)(tong)裝(zhuang)的水,舊(jiu)桶(tong)(tong)使用時間(jian)長,內壁容(rong)易(yi)產(chan)生礦物質沉淀,不易(yi)清(qing)洗干(gan)凈,會滋生細菌。和透明無色桶(tong)(tong)相比,淡藍(lan)色的桶(tong)(tong)或者(zhe)淡綠色的桶(tong)(tong)容(rong)易(yi)替水質“遮羞”。
5、注意產(chan)(chan)品的(de)生產(chan)(chan)日期(桶身或(huo)桶底),選擇近期生產(chan)(chan)的(de)產(chan)(chan)品。一(yi)(yi)旦開(kai)封飲用后,應盡快飲用完。飲水機上桶裝水飲用期不(bu)應超過一(yi)(yi)星期,否則,水質容易受(shou)到空氣(qi)中(zhong)細菌(jun)的(de)污染。
6、正規的桶(tong)裝水(shui)在桶(tong)身或者桶(tong)底會印有“QS”的標志(zhi),購(gou)買時(shi)一(yi)定要看清楚。其次購(gou)買桶(tong)裝水(shui)時(shi)一(yi)定要選擇大企(qi)業的產(chan)品。
7、飲水(shui)(shui)機應放置在干(gan)凈、通風的環境中。定期用清洗消毒,保(bao)證飲水(shui)(shui)機衛生。礦泉水(shui)(shui)和山泉水(shui)(shui)應保(bao)存在陰涼、避光(guang)處,避免(mian)陽(yang)光(guang)照射(she)。因為(wei)在陽(yang)光(guang)的作用下,藻類(lei)會迅速繁殖,導致綠藻出現。