1388 or 570 is said to be duvel yeast but 15 years and over 50 attempts never even slightly resembles duvel never, not even close and just cause people say 1388/570 is duvel yeast the finished beer tells a different story, i tried so many different techniques, you name it all failed, i tried different pils malts,blends of pils malts, different sugars, hops, tried lodo method, tried different ferm temp schedules , infusions, step mashing, decoction, different pitching rates, different water profiles , different mash ph, fermented under pressure, i tried soo hard to create duvel at home i came to conclusion its just not possible