Things You'll Need:
- Enzyme urine remover
- Acid-based grout cleaner
- Toothbrush
- Sponge
- Grout sealant
- Blacklight
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Step 1
Spray a commercial enzyme cleaner, like Nature's Miracle or Kids & Pets, on the stained grout areas to remove the urine bacteria and odors. Allow the cleaner to stand and soak into the porous grout surface. Scrub with a toothbrush or rough-textured sponge.
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Step 2
If the urine stains still appear in color after removing the odors and bacteria, use a commercial grout cleaner, like Finazzle, to return the grout color. Spray the acid-based grout cleaner on the stained area, let stand and scrub off.
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Step 3
Use a hand-held blacklight to locate areas of urine-causing odors without visible stains. Turn off bathroom lights, pass a blacklight around the floor and watch for any spots that glow. Mark these areas. Clean the invisible stains with the enzyme urine remover to remove remaining urine odors completely.
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Step 4
After cleaning the tiled bathroom floor, brush or spray grout sealant over entire tile surface. Allow it to dry overnight. Apply a 2nd coat of sealant to prevent urine from reaching the porous grout surface and staining. Re-seal the bathroom floor each year.
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Step 5
Use commercial tile and grout cleaner each week to avoid letting urine stains sit in the grout. Urine is easiest to remove within a few days of the accident. Spray the commercial cleaner over the surface, allow it to stand a few minutes and then scrub with a toothbrush or textured brush.
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Step 6
Avoid noticeable urine stains by choosing large bathroom tiles at least 6 inches wide. Use narrow grout seams to create a smaller grout surface area and less chance of staining. You can use a slightly darker grout instead of beige or white to camouflage urine stains around the base of the toilet.
