Originally Posted by CPooley4
I would either add 2% of sauermalz or have it ready to go once you have a measurement on your mash ph. Other than that you should be in range there. Although, I don't think you need the MgSO4.
If you want the best answer possible I would suggest posting this on the brew science forum. ajdelange would more than likely help you out and he's the true expert around here on water.
I'm finding that there really isn't a time where I'd add MgSo4. Unless you're constipated.
Mg is fine where it was, and more sulfate isn't necessary either. But it's a good laxative.