Had my last 4 brews using dark grains turn out astringent or tannic (not sure which)
Here is what I've tried.
First 2 that went wrong I had miss read my water software and added some acid
I supposed this was the problem and adjusted for the next brew(brown ale). This too was a bit astringent, I have just started using no chill method so i figured this could be to blame.
So, next I decided to steep my grains separately and add when pitching (after a short boil with flavour hops)
Just took a sample of this brew and it is the worst yet, really harsh.
I'm a bit stumped
My water is:
As I said, I do BIAB, no chill. And my grains are crushed a LHBS. I have made a few decent stouts in the past but my process has changed a bit since then.