A Gravel vacuum is a significant tool for retaining a clean up tank. As time passes, particles accumulates within the gravel, affecting water top quality. A gravel vacuum, including 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? https://pearlaquatics.my/how-should-you-care-for-your-aquarium/