Also on these boards
Remove urine stains from a mattress, upholstered furniture, carpet, etc. Pour 8 oz. hydrogen peroxide into a measuring cup, add 3T baking soda and stir till dissolved. Pour into a spray bottle, add a drop or two of dishwashing soap (Dawn, Palmolive, etc). Shake it up then spray it on the stained area. When it dries, the stain should be gone. (Test in an inconspicuous place first to be sure the solution doesn't remove the color from the fabric.)
DIY Stain Remover: In a spray bottle, add 1 part hydrogen peroxide, 1 part baking soda, and 2 parts water.
DIY laundry stain remover