A Gravel Vacuum is a vital Device for protecting a thoroughly clean tank. Eventually, particles accumulates within the gravel, impacting h2o high quality. A gravel vacuum, for instance Lee's Gravel Vacuum with Hose, facilitates efficient 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... https://pearlaquatics.my/customized-vs-sobo-aquarium-which-one-to-buy/