Preface: This article covers a few methods to cleaning your honeycomb bed

Pressure Washers: Do not use a narrow nozzle or get to close to the honeycomb with a pressure washer. Use the wide spray angle to avoid damaging the honeycomb and keep the pressure washer far enough away.
Quickstart Videos:
Be sure to wear proper PPE like Gloves and Safety Goggles while cleaning your honeycomb. Follow the guidelines on the cleaner(s) you plan to use.
Method 1:
Degreaser and light pressure wash
Oven Cleaner and hose pipe. This is for Nova all-steel beds with no coatings. Oven cleaner should not be used on beds with colored or coated rulers or other components.