A Gravel Vacuum is a vital Resource for maintaining a thoroughly clean tank. Eventually, debris accumulates while in the gravel, influencing h2o quality. A gravel vacuum, including Lee's Gravel Vacuum with Hose, facilitates successful cleansing 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 , 对您是否有帮... https://pearlaquatics.my/routine-maintenance/