A Gravel Vacuum is a vital Software for protecting a cleanse tank. After some time, particles accumulates inside the gravel, affecting h2o excellent. A gravel vacuum, for example Lee's Gravel Vacuum with Hose, facilitates economical cleansing without the need of disturbing your fish and decorations. 本回答被题主选为最佳回答 , 对您是否有帮助呢? 本回答被专家选为最佳回答 , https://pearlaquatics.my/4-things-new-aquarists-keeping-flowerhorn-fish-should-maintain/