When washing a tray remove any food residue or grease using kitchen paper. Wash the trays using hot soapy water and a cloth. Avoid pouring cold water on a hot tray as it can make the bottom skew.
2. Soft brushes
Use a cloth or a soft brush to clean the tray. Avoid metal sponges, scouring powder or oven cleaner as it will break the coating of the tray.
3. Low temperature
Use only low to medium heat when using the trays. Avoid using extremely high temperatures as these can cause the metal tray to bend.
4. No metal utensils
Never use metal kitchen utensils as it scratches the coating. Once damage to the coting has been done, holes in the coting can appear which eventually will make the tray unusable.