I've taken my OG at the start, and another reading last night. Only last night did I register that my OG seemed slightly low according to what the brew can suggested as typical. My OG was 1.037 (can ...
I am about to do my first all-grain batch. After (batch) sparging is it safe to drop the hydrometer right in or do I need to let the wort cool to a specific temperature first? I realize I will have to ...