Drinking my first homebrew. I used this kit: Extra Pale Ale Extract Kit -- Kit Inventory Sheet. We fermented for 4 weeks and it has been in the bottle for 4 weeks. Color is good, aroma is good, head is pretty good, taste is mostly good other than this touch of sourness in the finish. Any thoughts on what could be causing that? Does it need more time in the bottle? I like sour beers like lambics, farmhouse, etc but not in my pale ales. Thx.