A Gravel vacuum is a vital Resource for protecting a clear tank. Eventually, particles accumulates while in the gravel, impacting h2o top quality. A gravel vacuum, for example Lee's Gravel Vacuum with Hose, facilitates economical cleansing with out 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... https://pearlaquatics.my/5-quick-hacks-of-professional-pond-cleaning/