I am going to try and build my own glass tank I am getting the glass for free of 2 relatives who are window fitters and are giveing me glass that would just be thrown away I know the size of the tank depends on the thickness of the glass but does anyone have any tips on building a glass tank as this will be my first attempt. I know I need silicone, glass cutter, 90 degree angle, electrical tap or painting tape but would I need anything else?