I used 1.25 med toast oak spirals that I had soaked in tawny port in my hydrometer. Added to secondary and let it sit in there about two months. Oops. Way...too oaky Added some more port to a small sample using a 3 ml syringe to taste and did the math for the 5gal batch. Figured I wanted to add 34 ml of port for the desired change so added 15 and decided to wait another month before adding more, just to see how the oak flavor subsides.
Moral if the story is twofold...
1) Don't overdo it. Less is more and too much of a good thing can really mess up a beer.
2) we will drink just about anything alcoholic that we put effort into making.