PeterCBWang

If the 29th  days will be 50% of the bottle, 30th day will be full (50% x 2 = 100%).
+ h4 v( U" s. U: [- t7 d$ PAnswer is 29 days!
# G9 P( l: k- {8 h% y7 o* M' a2 M0 uTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。plz answer