A Gravel vacuum is an important Software for maintaining a clear tank. After some time, particles accumulates in the gravel, affecting water excellent. A gravel vacuum, such as Lee's Gravel Vacuum with Hose, facilitates effective cleaning with no 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/reasons-to-maintain-your-aquarium/