Hi guys, just after some info I have a my First Marzen brewing, and its been fermenting steadily since 10th May slow the first 2 days now its constant, Ferm Temp Controlled at 10 Celcius or 50F The OG was 1.056 and the FG is 1.009. I did a test today 19th May and its at 1.022 how long should I...