A Gravel vacuum is an important Resource for maintaining a clear tank. As time passes, debris accumulates while in the gravel, impacting h2o high-quality. A gravel vacuum, like Lee's Gravel Vacuum with Hose, facilitates productive cleaning without 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... https://pearlaquatics.my/reasons-to-maintain-your-aquarium/