Too much foam:
- Beer temperature is too warm.
- CO2 pressure is set too high.
- Foam can occur if the faucet is dirty or worn.
- Check the beer hose for kinks, twists or other obstructions.
Flat beer:
- Beer temperature too cold.
- CO2 pressure is set too low.
Beer hazy or cloudy:
- Check that the beer is not frozen or nearly frozen.
- Beer has been unrefrigerated for long periods of time.
- Old beer.
- Dirty faucet, beer hose, and/or keg couplers.