A Gravel Vacuum is an important Device for preserving a thoroughly clean tank. With time, debris accumulates in the gravel, influencing drinking water high-quality. A gravel vacuum, for example 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... https://pearlaquatics.my/category/blog/