Makeing a grow dome???

Im getting ready to make my own grow dome,but I have a question lol i seem to have alot today for some reason but anyways should there be breathing holes in my dome and if so where should I put them??

you mean a clone dome? if thats what you mean then no .. the purpose of the dome is to keep the humidity high.. holes will defeat the purpose of the dome.. good luck

grow dome needs holes to regulate humitity. clone domes have them also but in my opinon they dont need them ,you what it very humid in there