[問題] 冷泡杯中的凝結物
想跟大家請教個問題
小弟習慣用冷泡杯作冷泡茶
茶葉是台產碧螺春,冷泡杯材質就一般的PP塑膠,水是礦泉水
有時候茶放在冰箱中幾天後,清洗時經常會發現有些凝結物黏在杯子上,不容易沖掉
有人知道那是怎麼形成的嗎?
謝謝
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