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How to Remove Pet Urine Stains From Grout

Pet urine stains tile grout. Cleaning unsealed grout offers more of a challenge than sealed grout, as urine penetrates unsealed grout. To keep the pet from re-staining the same area, pet owners must also remove the urine odour. Basic cleaning products already found in the home will remove pet urine stains from unsealed grout. Sealed grout may need to be stripped, cleaned and sealer reapplied for successful results.

Clear the area of all loose dirt, pet hair and debris using a vacuum or broom. Check sealed grout for evidence of cracks or deterioration

Wipe the area down with a clean, wet sponge.

Put on rubber gloves to protect your hands.

Mix the clear vinegar with water in a bucket, using 1 part vinegar to 10 parts water, for stains on sealed grout. Clean stubborn pet urine stains on unsealed grout with full-strength vinegar. Apply the solution to urine stain with a sponge.

Let the vinegar mixture sit for up to one minute. Scrub with scrub brush until urine stain begins to lighten. Let stand for another minute.

Rinse stain with clean water and sponge. Apply antibacterial soap to the area and scrub with a scrub brush. Rinse soap off with clean water and sponge. Allow to dry completely.

Apply baking soda to the area and add enough water to form a paste to remove the odour. Work the paste into the grout with a scrub brush. Let stand for one to two minutes and rinse off with clean water and a sponge.

Clean stains on unsealed or tumbled marble tile with a product designed for these surfaces. Scrub with brush, wipe clean with sponge.

Repeat entire process if urine stain is still visible.

Tip

Using a spray bottle instead of a bucket makes cleaning small areas easier. Cleaning the entire floor after stain removal will avoid "clean spots" on the tile floor.

Warning

Use only clear vinegar. Do not use cider or other coloured vinegars as they may stain unsealed grout. Do not use full-strength vinegar on sealed grout. It may weaken or remove the sealant. Do not use vinegar of any kind on unsealed marble.

Things You'll Need

  • Broom or vacuum
  • Clear vinegar
  • Bucket
  • Antibacterial soap
  • Baking soda
  • Scrub brush
  • Sponge
  • Rubber gloves
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About the Author

Lynda Altman started writing professionally in 2001, specializing in genealogy, home-schooling, gardening, animals and crafts. Her work has appeared in "Family Chronicle Magazine" and "Chihuahua Magazine." Altman holds a B.A. in marketing from Mercy College, a black belt in taekwondo, master gardener certification, a certificate in graphic arts and a certificate in genealogy.