Whenever wood is exposed to water there’s a threat of this staining. Light water stains are generally easily mended with a good washing machine, but deeper stains require a little more elbow grease. In case you’ve got exterior wood panels stained by water, try and discover out from where the water is coming so you can protect against staining in the future.

Clean the stained area of the wood thoroughly using a solution of 50 percent household bleach to 50 percent water. Use a large sponge or cloth to scrub it and allow it to dry thoroughly. A mild surface stain ought to dissipate immediately.

Sand the wood using a coarse-grit sanding abrasive and again using a finer grit. You can accomplish so by hand or you can use a rotary tool with a sanding accessory fitted into the trick, working your way over the section using progressively finer accessories till you reach the intended result.

Wipe the dust off the wood using a clean cloth. If the stain remains, keep sanding until it is gone.

Stain the wood using a waterproofing stain in the original color that may prevent future water staining.

Assess the area around the water-stained wood and see if it is possible to discover how the water became stained. Take precautions to prevent potential discoloration, such as including weather stripping, replacing caulk or attaching gutters or other shielding.

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