Originally Posted by cpz28
I fear adding too much to the mash will have negative effects on my mash/ph. Help?
Adding any, in fact, may raise the pH past where you want it. Mash pH seldom comes in too low.
Your base malt in RO will probably land around 5.9. Adding in the dark grains might pull it down to 5.6 or so. CaCl2 and gypsum will likely pull it the rest of the way down into the happy range. Try it.