Highly recommended if you're new to phantasm powder, whole cone mash hopping, mashing with enzymes, or dry hopping. Specialty ingredients are pre-measured. You don't have to figure out substitutions on the fly, or over-order ingredients to get what you need. I selected Viking GR941 for the 2-row all-grain kit, and Omega Helio Gazer OLY405 for the yeast. Google search Great Fermentations' NEIPA for chloride-forward water profile. This beer is indeed hazy opaque sheen appearance, thiol enhanced, pillowy texture, and delicious.