| Causes of hazy or cloudy draft beer | Required Correction |
|---|
| Over chilling of the beer keg or beer lines. | Beer should be stored at 36°F. to 40°F. Excessive low temperatures may cause hazy, cloudy beer, particularly when the beer is kept cold for a long time. Make sure the beer lines are thoroughly cleaned and then raise the temperature of the beer slightly. |
| Faucet is not being opened quickly and fully | Be sure to open the faucet completely and quickly. |
| Faucet is damages or dirty and will not open for full flow due to damages or warn faucet coupling washer or shaft seals or contamination build up. | Disassemble the faucet and check seals. Scour faucet internal metal parts till they are smooth and clean. |
| Contaminated air source | Switch to a CO2 or other gas system. Or, always have your compressor inlet drawing fresh clean outside air. Be sure to have a hair felt filter on the inlet as well as an inline charcoal filter in the outlet line. |
| Defective Thomas Valves or Tongue Vents in the keg coupler. | Bacteria may grow as a result of dirty or defective check valves in the coupler. Check and replace all vents and thoroughly clean the air lines. Replace if necessary. |
| Yeast growth or other obstruction in the faucet. | Clean faucet with a good brush daily. Scour all internal parts at least once a week. |
| Moisture in the air system. | A moisture trap must be installed in the Pre-Cooler and drained daily. |