A Gravel Vacuum is an important tool for sustaining a clean up tank. After some time, particles accumulates in the gravel, influencing h2o high quality. A gravel vacuum, including Lee's Gravel Vacuum with Hose, facilitates productive 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? https://pearlaquatics.my/category/aquarium-tank/page/3/