Make your own citrus spray by adding the grated rind (peel) of any citrus fruit (e. g. lemon, orange, grapefruit) to hot water. Allow to cool, then strain the water into a spray bottle.
Soak the board in very hot water. Do not allow the board to soak for hours (or overnight) as the board may warp. Squirt undiluted dish detergent on the wet board. Scrub the entire board thoroughly with a scouring pad or brush. Rinse off the board with hot water and leave to dry. A thoroughly well-scrubbed board will not smell when it’s dry.
Rinse off your cutting board. Sprinkle the salt or baking soda on the board. [4] X Research source Use half a lemon to rub the salt / soda into the board. Rinse the board and allow to dry thoroughly.