A Gravel Vacuum is an important Device for preserving a clean tank. With time, debris accumulates within the gravel, affecting water quality. A gravel vacuum, for example Lee's Gravel Vacuum with Hose, facilitates effective cleansing devoid of 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? 本回答被题主和... https://pearlaquatics.my/how-to-relocate-your-aquarium/