im trying to get the idea into my dads head of making our own 210ltr tank...but he said somthing about the thickness of the glass....and i was wondering how thick would it have to be to withstand the pressure of that much water...can u use normal glass..or does it have to be special
type custom in the search box, click search
in the results click the first link
then put in your requirements and garf will tell
you all your cutting needs and thickness etc.