Quote:
Originally Posted by
kelliewindham 
I Have 3 Biological And Mechanical Filters Running With Water Pumps In Each. I Don't Know The Exact Make/brand/ Etc. But They Are All The Type That The Water Pump Fits Into The Fitler Box With The Biological Media Balls. One Pump Runs A Fountain, And The Other Two Run Small Waterfalls. Do I Still Need An Airpump Or Stone? If So What Kind And Where Do I Get It? Thanks!