Sand or Gravel - Irving Materials, Inc.
Sep 01, 2016· Use liquid chlorine bleach or a washing machine tub cleaner for best results. (Do NOT use a regular laundry detergent during your Tub Clean cycle). If you're using liquid bleach, simply add the bleach to your detergent tray and start the Tub Clean cycle. If you are using a tub cleaner, such as Affresh, follow the instructions on the package.