Note: This DIY article is provided as a general guide only and is not intended to take the place of product-specific installation procedures; always follow applicable manufacturers’ instructions. Depending on your home’s age and condition, location within the home, and other potential factors, repairs and/or upgrades or other services may be necessary prior to the beginning and/or completion of your project that may involve the services of a home improvement professional. This article does not include advice pertaining to local building codes and/or any related inspections.

Over time, even the most beautiful tile installation can lose its shine, not because of the tile itself, but because of dingy, stained grout. Grout lines attract dirt, discoloration, and mildew, especially in moisture-prone areas like kitchens and bathrooms. In this guide, we’ll share simple, effective methods to clean, whiten, and refresh tile grout for fast, long-lasting results.

The Grout Whitener Pen is a game-changer for anyone looking for a quick, long-lasting grout refresh without hiring a pro.

Why tile grout needs regular refreshing

Grout is a porous material, which means it naturally absorbs liquids, oils, and debris over time. In the kitchen, that might include food splatter and grease. In bathrooms, soap scum, and moisture can lead to mold and mildew. Even light-colored grout can turn yellow or brown without proper care, distracting from your otherwise spotless tile.

Regular grout maintenance helps prevent these issues, and a good grout refresh can dramatically improve the overall appearance of your kitchen or bathroom without breaking the bank.

How to refresh tile grout: a step-by-step guide

If your tile grout looks dingy, it’s time to get to work refreshing your space. Luckily, you don’t need a complete renovation to bring your tile surfaces back to life. Follow this step-by-step guide to clean and whiten grout in no time at all.

Step 1: deep clean your tile grout

While reaching for a grout whitening pen for a quick and easy fix might be tempting, you should start with a deep clean. This helps remove any surface grime and prepares grout for whitening products. Here’s what you’ll need:

  • Baking soda
  • White vinegar or hydrogen peroxide
  • A toothbrush or grout brush
  • A spray bottle
  • Warm water

Once you have all the essentials, follow these steps:

  1. Make a paste of baking soda and water.
  2. Apply the paste directly to the grout lines.
  3. Fill a spray bottle with vinegar (or hydrogen peroxide) and spritz over the baking soda paste. Let it bubble for a few minutes.
  4. Scrub the grout using a toothbrush or grout brush.
  5. Wipe clean with warm water and a soft cloth.

This method effectively removes stubborn stains and prepares the surface for a grout whitening upgrade. It also eliminates dirt and grime, providing the whitening pen a better chance to adhere to your grout.

Clean, white grout lines surrounding tile.
A close-up image showing white grout lines on a tile wall

Step 2: use a grout whitener pen for instant results

Once your grout is clean and dry, it’s time for the real magic: the grout whitener pen. This tool is a game-changer for anyone looking for a quick, long-lasting grout refresh without hiring a pro. Here are a few reasons why a grout pen is a must-have for homes with tile:

  • Instant visual improvement
  • Easy to apply with precision
  • Dries quickly for fast results
  • Long-lasting formula resists stains and moisture

To use a grout whitener pen, follow these steps:

  1. Shake the pen and press the tip down to release the whitening formula.
  2. Run the pen along each grout line, applying even pressure.
  3. Let it dry completely before walking on or using the surface.

Our Grout Whitener Pen is specially formulated to adhere to grout and resist moisture and stains. This makes it ideal for use in the kitchen and bathroom. It’s perfect for restoring white grout lines or covering stubborn discoloration that cleaning alone can’t fix.

Step 3: maintain your freshly whitened grout

Once your grout is clean and white, you’ll want to keep it that way. Here are a few tile maintenance tips to extend the life of your refresh:

  • Wipe down surfaces regularly to prevent soap scum and residue buildup.
  • Avoid harsh chemical cleaners that can degrade grout over time.
  • Check to see if the seal is still holding every one to two years.
  • Use a daily shower spray in bathrooms to minimize moisture exposure.

With proper upkeep, your grout refresh can last for months. You’ll enjoy a cleaner, brighter space every time you walk into the room, and your guests will be sure to take notice, too!

Where to use a grout whitener pen

If you’ve never whitened your grout before, you might wonder which spaces benefit most from a grout pen. Here are a few ways you can use one in your home:

  • Kitchen backsplashes: These areas are prone to food stains and grease.
  • Bathroom floors and walls: Constant moisture can lead to discoloration.
  • Shower stalls: Whiten grout to create a spa-like feel.
  • Around sinks: Keep things clean and crisp in high-use areas.

Any tile surface with visible grout lines can benefit from a quick and effective grout whitening treatment. Once you notice your grout yellowing or darkening, a good cleaning and a whitener will bring your space back to life.

A decorative tile wall in a bathroom.
A close-up image showing white grout lines on a tile wall with GE Grout Whitening Pen.

FAQs

How long do results from a grout pen last?

Most grout pens’ results last several months to a year, depending on usage and exposure to moisture. However, high-traffic or high-moisture areas may require occasional touch-ups.

Can I use a grout pen over dirty grout?

No. For the best results, always clean your grout thoroughly and let it dry before applying the pen. This ensures better adhesion and longer-lasting whitening.

Is a grout pen waterproof?

While grout pens help seal and whiten grout, they do not replace a complete waterproof sealant. Use the grout pen first for areas with heavy water exposure, then seal with a waterproof grout sealer.

Do I need to reapply the grout pen regularly?

Not necessarily. With proper tile maintenance, the effects of a grout pen can last a long time. However, high-use areas may benefit from a quick touch-up every six to 12 months.

Grout doesn’t have to ruin your tile aesthetic. With a little effort and the right tools, especially a high-quality grout pen, you can refresh your tile grout and give your kitchen or bathroom an instant facelift. Whether preparing your home for guests or just treating yourself to a cleaner space, a grout refresh is one of the easiest upgrades you can make.

To find the perfect product for your project, visit a store near you in the U.S. or Canada.