A Gravel Vacuum is a vital tool for preserving a cleanse tank. Eventually, particles accumulates while in the gravel, influencing h2o excellent. A gravel vacuum, for instance Lee's Gravel Vacuum with Hose, facilitates productive cleaning without having 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/how-to-maintain-a-2-feet-aquarium-bigger-fish-tanks/