It's a myth.
I mean, go ahead- it doesn't hurt the end product, but if you are dying to chill the roots, you can use ice water as a heavy flush on the 2nd day before you harvest, when you should be doing your last flush anyway.
stinkyattic Reviewed by stinkyattic on . ice water a friend said when he harvested he would pull the intire plant and place the roots in a bucket of ice water to shock the plant, and that would force the thc to the buds. has anyone ever tried this? Rating: 5