I just picked up an ace rotomold conical with a 2" drain and am trying to figure out the best way to go here. I would like to harvest yeast, so I can see the benefit to having a larger diameter at opening, but 2" ball valves are a bit beyond what I want to pay. Is there any reason I couldn't get a stainless bushing to go from say 2" to 1 or 1.5 inches, would it leave too many crevices for nasties to grow? Or should I just buck up and spend the dough on a 2"?
Thanks for the advice!