A Gravel Vacuum is an important tool for maintaining a clean up tank. Eventually, particles accumulates inside the gravel, affecting h2o excellent. A gravel vacuum, which include Lee's Gravel Vacuum with Hose, facilitates successful cleaning without 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... https://pearlaquatics.my/reasons-to-maintain-your-aquarium/