To clean skateboard grip tape, follow these steps:
Remove any dirt or debris from the grip tape using a small brush or a toothbrush. You can also use a can of compressed air to blow away any loose dirt or debris.
Mix a small amount of mild soap with warm water in a bowl or bucket. Dip a cloth or sponge into the soapy water and wring out excess liquid.
Gently scrub the grip tape with the soapy cloth or sponge, using circular motions to lift dirt and grime. Be sure to get the corners and edges of the grip tape as well.
Rinse the grip tape with clean water and blot it dry with a clean cloth or towel.
Allow the grip tape to air dry completely before using the skateboard again.
Remember to be gentle when cleaning the grip tape, as rough scrubbing can damage the surface and reduce its grip. If your grip tape is extremely dirty or has stubborn stains, you may need to use a stronger cleaning solution or a specialized skateboard grip tape cleaner.