A bottle arrangement includes a bottle body a measuring bucket. The measuring bucket includes a guiding base assembly, a second compartment base, and a top cap. The guiding base assembly includes an inclined first compartment base, an inclined first channel base, an inclined second channel base, and an inclined backflow channel base. The guiding base assembly has a through first inlet opening, a through second inlet opening and a backflow opening. The first inlet opening and the backflow opening communicate with the bottle body. The measuring bucket also includes first through fourth partitioning walls provided on the guiding base assembly to define at least a first compartment, a first communicating channel, a second communicating channel, and a backflow channel.