A Gravel vacuum is a vital tool for retaining a clear tank. Eventually, debris accumulates while in the gravel, affecting h2o excellent. A gravel vacuum, for example Lee's Gravel Vacuum with Hose, facilitates efficient 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? 本回答被题主和专家选为... https://pearlaquatics.my/why-hiring-a-professional-aquarium-or-pond-cleaning-service-is-important/