Using a pH meter or paper check that the pH is 3.6 or below, when it does, let it ferment for another 5-7 days.
By the end you should have a sweet fermented smell very similar to the initial EM-1. Remove the airlock, add an airtight lid and store it at room temperature away from sunlight. Shelf life is around 60 days
-If you keep activating SyMi, the composition will change and become more LAB dominant over the Yeasts and PNSB