I've noticed the past couple of years with hemp getting smaller that it can split more easily. I used to soak for 24-48 hours then bring to boil, and drop to simmer until it split, 20-30mins tops.
Now I'm pour boiling water on it and boil 24hours later, although it will go after 12hours.
Strange, I've been preparing hemp and particles this morning as well. A bucket for arrival and one in the freezer for the next day.