A Gravel vacuum is a vital tool for maintaining a thoroughly clean tank. After a while, particles accumulates while in the gravel, impacting water top quality. A gravel vacuum, for example Lee's Gravel Vacuum with Hose, facilitates effective cleaning without the need of disturbing your fish and decorations. 优点是该软件能保存原始数据的所有属性不会丢失，缺点是没有注册的话，不能进行批量... https://pearlaquatics.my/how-does-an-aquarist-maintain-their-aquarium-tank-fish-pond/