A Gravel vacuum is a vital Instrument for maintaining a clean tank. Eventually, particles accumulates while in the gravel, influencing h2o good quality. A gravel vacuum, for instance Lee's Gravel Vacuum with Hose, facilitates successful cleansing with no disturbing your fish and decorations. 本回答被题主选为最佳回答 , 对您是否有帮助呢? 本回答被专家选为最佳回答 , 对您是否有帮助呢? 本回... https://pearlaquatics.my/4-things-new-aquarists-keeping-flowerhorn-fish-should-maintain/