I bought a 4 oz package of medium toast French oak yesterday. On the package it says that its good for 25 gallons. In the kits that I have done, I've added 2 packages of oak that each seem to be as much as the package of French oak I bought. So, I'm wondering if its really a stretch to think that 4 oz of oak is enough for 25 gallons when kits probably use twice that much for only 6 gallons.
Mike
Mike