A Gravel vacuum is an important tool for protecting a clear tank. As time passes, particles accumulates within the gravel, influencing h2o top quality. A gravel vacuum, for instance Lee's Gravel Vacuum with Hose, facilitates effective cleaning 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，... https://pearlaquatics.my/top-3-important-tips-for-choosing-the-new-aquarium-tank/