Remove Dark Water Stains With a Bleach Solution
Be sure to wear waterproof gloves for this method since bleach is caustic. Create a solution of 50-percent cool water and 50-percent bleach. Lightly apply the solution to the wood stains with a dense sponge. Do not drench the wood.
Keeping this in view, what causes black stains on wood?
These black marks are called Metallic Discoloration or Iron Stain and are caused by elemental iron reacting with phenolic chemicals in the wood to form black iron tannates (common black ink pigment). Iron Stain requires the presence of iron, wood and water and will not occur if one of these elements is absent.
People also ask, can you remove dark stain from wood?
To reach them, you must strip the stained area of finish by using furniture stripper, oxalic acid crystals, or a two-step wood bleach or liquid laundry bleach. You also need to refinish the piece with varnish, lacquer, shellac, or urethane. … A two-step wood bleach or liquid laundry bleach will also remove the stain.
How do you get black marks out of wooden worktops?
Brush or blot bleach onto the stained area. Although bleach products are not normally recommended on your finished worktop, they work well on stains. You may need to do this repeatedly to remove the stain. If needs be, you can leave the bleach soaking into the stain overnight.
What kills black mold on wood?
How do you kill mold on wood? With a simple cleaning solution of dishwashing soap and warm water. Add a teaspoon of soap to a spray bottle filled with water and shake it up. Spray the affected area and use a soft-bristled brush to gently scrub away the mold, sponging up any excess liquid as you clean.
