I think this is the simplest way...here I included 2 options ,you can either make a hole on the bottom of the tank or at the side of your tank,you can use a power drill to make a hole on your tank(use the tip that is used in making a hole in a glass) never rush your glass when drilling it.. just make a steady hand and let the drill use its weight to prick the glass... you can choose on a variety of diameter you like,its best to have the biggest possible PVC pipe for it to accompany the most strongest water pump....comments...comments....comments...thanx
sorry for the presentation
I unninstalled my sketchup