A Gravel vacuum is a vital Software for keeping a cleanse tank. As time passes, particles accumulates while in the gravel, affecting h2o good quality. A gravel vacuum, like Lee's Gravel Vacuum with Hose, facilitates economical 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? 本回答被题主和... https://pearlaquatics.my/how-to-keep-your-aquarium-clean/