A Gravel vacuum is a vital Resource for maintaining a clear tank. Over time, debris accumulates while in the gravel, influencing drinking water quality. A gravel vacuum, for example Lee's Gravel Vacuum with Hose, facilitates economical 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? https://pearlaquatics.my/product-category/cleaner/