grain僅是菌種，若擔心可用水衝洗。店裏“新鮮kefir”不也是用grain重複做的嘛。

來源: pickshell 於 2023-10-24 20:16:05 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.