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.
Additionally, how do you remove dark stains from wood table?
A two-step wood bleach or liquid laundry bleach will also remove the stain. (Laundry bleach is weaker than either oxalic acid or a two-step wood bleach and, therefore, may have to be applied several times. It can be effective, however, if you want to work only in a small area.)
In this way, what causes dark stains on wood floors?
They are a result of the chemical reaction between iron, water, and wood tannins. These stains may appear when remnants of abrasive minerals were left on the hardwood before the water-based finish was applied. Tannic Acid Discoloration – Tannic acid is a specific type of tannin found in trees.
What are 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.
Does baking soda damage wood?
Baking soda can be too hard on some finishes or sealants on wood furniture. Cameron says that using it for cleaning can wear away the sealant, ruining the furniture. She suggests using a diluted dish soap mixture instead, likely one of the secrets of people who always have a clean house.
How do you get black water stains out of oak?
For stubborn black water stains, you may need to use a commercial wood bleach.
- After removing the wood finish, apply mixed wood bleach with a brush to the wood.
- Allow the wood bleach to work for four hours.
- Neutralize the wood bleach by applying a mixture of two parts water and to one-part vinegar with a sponge.
How do you lighten dark wood furniture?
The only effective way to lighten the color of wood after it has been stripped of all surface coatings is to use a wood bleach. Sanding does help to lighten wood in many cases, but this only applies to surface soil or grime, and even then only if the discoloration has not penetrated very deeply.