A Gravel vacuum is a vital Software for retaining a cleanse tank. After a while, debris accumulates within the gravel, affecting water quality. A gravel vacuum, which include Lee's Gravel Vacuum with Hose, facilitates economical cleaning with out 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... https://pearlaquatics.my/3-must-have-things-while-building-an-aquarium/