I made a coopers english bitter kit but let it ferment for 3 weeks in the FV and then bottled it. Its been in the bottle 2 weeks at 20 degrees C yet still feels flat. When I poured it there were a lot of bubbles on the side of the glass, but I couldn't get a head on the beer.
What should I do? As I have another 45 bottles 😞
I am using a new type of bottle but ensured I had done them correctly as in my last batch I had a couple of flat ones due to the lids not being done up tight enough. The last batch was ready within 4 weeks, although only spent 1 week in the FV.