A Gravel vacuum is a vital tool for maintaining a clean up tank. Eventually, particles accumulates from the gravel, impacting water quality. A gravel vacuum, which include Lee's Gravel Vacuum with Hose, facilitates successful cleaning without having 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... https://pearlaquatics.my/4-tips-of-buying-an-aquarium/