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How To Fix Pet Stains on Hardwood Floors

by Canadian Sanders

How to refinish hardwood floors with pets stains.

Dealing with pet stains on hardwood floors can be a real headache for homeowners. It’s incredibly frustrating when you’ve gone through the trouble of lifting your carpets only to find the stains still visible even after sanding. But don’t worry; you’re not alone in this struggle. Many homeowners face the same issue, and solutions are available to help you tackle those stubborn pet stains.

Why do pet stains cause permanent damage and penetrate the wood? 

It’s the ammonia that causes the wood to discolor. It is a powerful substance capable of penetrating deep into the wood. Once applied on the surface, it can cause a natural discoloration of the wood that lasts even after sanding. The wood may lighten slightly after multiple sandings, but it will likely retain most of its dark appearance.

Plant pot stains can be pretty stubborn to remove. Interestingly, many plant food products contain ammonia, which can deeply penetrate the floor’s surface and naturally change its color. This can make removing the stain difficult, as the ammonia can leave a lasting mark on the surface. 

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How to Fix Pet Stains


Replace the dark boards.

Professionals often opt for board replacement as their primary solution for hardwood floor stains. Rather than attempting to use chemicals to minimize the color, they cut out the affected boards and replace them. This involves cutting out the affected board, removing it, and replacing it with new floorboards.

Stain the floor darker.

Staining the floor darker is a popular option among many people and even contractors sometimes use this technique for clients on a tight budget. It may not completely cover up imperfections, but it can help to hide them. Specific colors work well for staining over pet marks. Darker stains would be the better option for hiding pet stains and imperfections on your floor. Lighter stains may not be effective in completely concealing these blemishes. This information helps you make an informed decision.

Try Sanding the stains.

It’s good to remember that sanding could remove pet stains if they are shallow enough. However, it’s essential to be cautious as sanding can damage the flooring if not done correctly.

Use a Chemical

Try using hydrogen peroxide to bleach pet stains. While it may be effective for some, it’s important to note that it can have mixed results and may not be the best option for everyone. Testing a small, inconspicuous area before applying any solution to the entire stain is always a good idea. I hope this information helps you decide on addressing pet stains in your home.


Dealing with pet stains on hardwood floors can be pretty challenging. Once the stains have penetrated the wood, it can be difficult to remove them without replacing the affected boards and refinishing the entire floor. You might need to seek a professional to ensure satisfactory results.

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