Building a 30g rimless tank 24x24x12 3/8thickness getting the glass from Custom Shower Doors, Herculite Glass Doors, Custom Storefronts Manhattan NY, Brooklyn glass doors, glass tops, New York City Shower Doors, Frameless Shower Doors New York City, Shower Doors Installation New York if you guys know of a cheaper place do tell, any way I'm looking for a step by step guide on how to siliconing the glass together, as I'm not sure how to do this is it bottom pane then front back and sides warp around the bottom or is it bottom pane and front back and sides sit on top the of the bottom pane?, beveled edges how many inches should I make it Thanx in advance