Stop in for a cup of coffee

Do you folks use tap water for your coffee or filtered? I have a Brita filter pitcher in the frig that I usually use. Today I didn't. May be that's why my coffee tastes like butt this morning. :BangHead: :lol:
I'm supposed to be using the filtered water but I usually early use tap water. It all tastes the same to me.
Once she's up, I switch to the filtered water. She can see me in the kitchen from where she sits, and I'll get the :mad: if seen.