Robert Roberts Limited

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Appropriate Filtering Method

Best Practice

• Oxygen processed (white) filters
• Whitened without bleach
• Brown filters introduce taste to coffee

• Bleached paper filters
• Follow best practice:
  
  1. Do not stack
  2. Do not keep on heated surface

Practical Tips

• Air is your enemy
• Do not pre-grind and stack filters
• Causes of staleness:
  
  1. Oxygen
  2. Light
  3. Heat
  4. Moisture
  5. Check coffee/water recipe
  6. Compare against sample
  7. Check equipment calibration
  8. Lower brew water volume could mean lime build-up

Cleaning

Clean everything that comes in contact with coffee

• Brew basket
• Spray head
• Dispensers
• Tap
• Sight gauge
• Seat cup
• Hoppers