If the discoloration goes deep into the wood and is still visible after the sliver of wood is removed it will be virtually impossible to either sand or chemically remove the water stain.
Removing water stains from wood siding.
Use mayonnaise to remove water stains from wood.
In this case there are only two options either replace the discolored wood or hide the stains.
Pressure washing your cedar siding is perfectly ok as long as the sprayer washer is set at low pressure.
Use a paint brush with natural fibers to apply a thick even layer of the stripper to the surface.
To bleach out a dye stain from a piece of wood apply the saturated chlorine bleach solution immediately after mixing it.
The bleach quickly loses its effectiveness if you leave it standing.
Allow the bleached wood to fully dry.
Remove dark water stains with a bleach solution create a solution of 50 percent cool water and 50 percent bleach.
Use a high pressure nozzle to wash the surface of the old weathered out cedar siding.
Wet the cloth to remove any remaining toothpaste and lift the stain.
Dampen a rag and apply a small amount of white toothpaste.
Start with the least.
Dab a bit of mayonnaise onto a rag then gently apply it directly to the water stained area.
Wearing rubber gloves and a respirator brush or wipe the bleach onto the bare wood.
Brush the stain gently because too much scrubbing will also remove the wood finish beneath.
Gently rub the marks using a circular motion.
Regular non gel toothpaste contains a fine abrasive that is extremely effective at removing water stains from unfinished wood surfaces.
Let the mayonnaise sit on the water ring for at least a few hours or as long as overnight reapplying if the initial.
If a stronger solution is needed change the.
Lightly apply the solution to the wood stains with a dense sponge.
To get rid of those telltale watermark rings left by sweating beverages gently rub some non gel toothpaste with a soft cloth on the surface to remove water stains from wood.
Traditional chemical strippers and citrus strippers are both effective.