When I do my first PM this weekend, I was wondering if you keep the lid on the water cooler while youre grains are mashing. Seems like you would to keep the heat in, but is there a reason not to
"Give a man a beer, he'll drink for a day. Teach a man to brew, he'll drink for a lifetime"
All tanks are empty :(
Drinking: A two year old keg of Eff'd up MawN Lower Beer I made !