There are a variety of ways to do it, but you'd want to be careful that you don't attract attention from your local nuclear regulatory agency. https://en.wikip

There are a variety of ways to do it, but you'd want to be careful that you don't attract attention from your local nuclear regulatory agency. https://en.wikipedia.org/wiki/Heavy_water#Production_methods https://en.wikipedia.org/wiki/Heavy_water#Production_methods