A Gravel vacuum is a vital tool for keeping a clean up tank. Over time, debris accumulates within the gravel, affecting water quality. A gravel vacuum, such as Lee's Gravel Vacuum with Hose, facilitates productive cleaning without the need 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 , https://pearlaquatics.my/aquarium-tank-rental/