They state that the first time passification mixture should be 1 oz to 1 gal. This was done after cleaning with a mild detergent. Maybe residual starsan and buffing compound still.
I recently purchased an SS chronical fermenter. I performed the recommended initial cleaning and passivation with 1oz Starsan to 1 gal 70 degree water as recommended. Drained and let air dry. 7 days later I added the first wort to the fermenter. After 10 days in primary the beer finished as...