As a weed expert, the best size micron rosin bags to use for pressing dry sift is between the range of 25 microns to 50 microns. A temperature range of 170 degrees to 230 degrees Fahrenheit is ideal for pressing 145u dry ice to sift.
As you have already pushed heavy fertilizer to grape by Mephisto to grow so now you should ignore the pistils and watch for trichomes to know when to harvest.