How to Maintain and Clean Plastic Coffee Sample Trays?
For routine cleaning, wash the plastic coffee sample trays with mild dish soap and warm water. Use a soft sponge or cloth to gently scrub the surface, ensuring all stains and spills are removed. Rinse thoroughly with clean water to remove any soap residue.
To keep plastic coffee sample trays looking nice and hygienic for use in coffee tasting events, Coffee Pro Direct advises washing them on a regular basis.
https://coffeeprodirect.com/coffee-sample-trays/