PROBLEM TO BE SOLVED: To provide a cleaning device of hydroponic tank which can simultaneously and securely clean a plurality of water tanks, and also can significantly shorten cleaning time while simplifying a cleaning work.SOLUTION: A cleaning device used for a hydroponic tank that is constituted by parallel arranging a plurality of approximately gutter shaped water tanks comprises: a body part crossing a plurality of water tanks； a plurality of cleaner fixing parts； and a plurality of cleaners attached to a plurality of the cleaner fixing parts.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT【課題】複数の水槽を同時かつ確実に清掃することができ、清掃作業を簡便化しつつ清掃時間も大幅に短縮することが可能な水耕栽培槽の清掃器具を提供することを目的とする。【解決手段】複数の略樋形状の水槽を並列配置して構成された水耕栽培槽に用いる清掃器具であって、複数の水槽を横断する本体部と、複数の清掃具固定部と、複数の清掃具固定部に取り付けられていること、を特徴とする水耕栽培槽に用いる清掃器具。【選択図】図１
