A Gravel Vacuum is an important tool for preserving a clean tank. With time, debris accumulates in the gravel, affecting h2o high quality. A gravel vacuum, like Lee's Gravel Vacuum with Hose, facilitates efficient cleansing with no disturbing your fish and decorations. 优点是该软件能保存原始数据的所有属性不会丢失，缺点是没有注册的话，不能进行批量处理，但是转换速度很快！ On condition t... https://pearlaquatics.my/product/sobo-aquarium-submersible-pump-1-year-warranty/