A Gravel vacuum is a vital tool for keeping a clear tank. After a while, debris accumulates inside the gravel, affecting water good quality. A gravel vacuum, including Lee's Gravel Vacuum with Hose, facilitates productive cleansing without the need of 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... https://pearlaquatics.my/blog-2/