This was my second batch.
- poured water to top 6 gallons (23 liter) instead of 5
- decided to add only 1 kg of Amber DME (recipe calls for 1,1,kg)
- OG at 64F (18C) 1032 or at best 1034 (forgot to take sample before pitching yeast)
- it took me 45 minutes to cool down the wort when added water...