What do you mash in? I use a picnic cooler and have dialled my strike water temp to be near enough spot on,. But there will always be anomalies in such container. I gave up chasing the thermometer round the mash years ago.
So people are sad because the earth is flat but its a secret.
What difference would it make if the earth was flat?
What are the "benefits" in telling the world they live on a pancake and not a sphere?
Who gives a flying fxxx?