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Part Number: 404
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Oxalic Acid is easy to use and the safest for the home. In fact, it is found in many vegetables including spinach, and rhubarb. Perhaps, its best-known use is that as a wood bleaching agent.  Exterior wood tends to turn a dark gray after being exposed. Oxalic acid solutions are used to lighten and brighten these dingy colors. In the refinishing of wood furniture, oxalic acid can be used after stripping to lighten and soften darker stained areas before refinishing.



Bleaching agent in the textile activities, wood pulp bleaching;

Rust remover for metal treatment;

Used in commercial rust removers to remove rust stains from tubs and sinks.

Grinding agent, such as marble polishing

Waste water treatment, removing calcium from water.

Use in cleaning and sterilizing home brewing equipment.

Useful as a reducing agent for photography and ink removal

Used as purifying agent in pharmaceutical industry

Rock collectors, clean mineral specimens

Remove food and rust stains from kitchen countertops and plumbing fixtures 

Mild solutions will remove rust, ink, and food stains from fabric

Hard water stains are easily removed from exterior surfaces such as driveways, garage floors, stucco and painted surfaces. Can also remove hard water stains on plumbing fixtures, ceramic tile, and shower enclosures

Makes lawn and patio furniture look like new

After scrubbing with Oxygen bleach and TSP (tri-sodium phosphate), use oxalic acid on your wood deck to lighten the wood prior to sealing or staining