How to Clean Grout With Oxalic Acid

Oxalic acid is a natural cleaner that can be used to remove stains and dirt from grout. It is important to follow the directions on the product label when using oxalic acid, as it can be harmful if not used properly.

Materials

* Oxalic acid

* Water

* Gloves

* Eye protection

* Sponge

* Bucket

* Scrub brush

Instructions

1. Put on gloves and eye protection.

2. Mix 1/2 cup of oxalic acid with 1 gallon of water in a bucket.

3. Wet a sponge with the oxalic acid solution and apply it to the grout.

4. Scrub the grout with a scrub brush.

5. Rinse the grout with clean water.

6. Repeat steps 3-5 if necessary.

Tips

* Oxalic acid is a strong cleaner, so it is important to test it on a small area before using it on a large surface.

* Do not use oxalic acid on colored grout, as it may damage the color.

* Oxalic acid can be harmful if ingested, so keep it out of reach of children and pets.