How to make a homemade grout cleaner with a scrubber

Last updated: October 29, 2026 8:00:00 AM

Mix simple household ingredients to create an effective paste for lifting deep-seated dirt between tiles. Scrub the mixture into the lines and rinse thoroughly to reveal bright, refreshed surfaces.

To make a homemade grout cleaner with a scrubber, mix baking soda and hydrogen peroxide into a thick paste, apply it to the stained lines, and use a stiff-bristled brush to scrub away the embedded grime before rinsing the area clean. Grout lines are notoriously difficult to keep bright. Because grout is porous, it readily absorbs dirt, cooking oils, foot traffic residue, and mildew over time. Traditional store-bought solutions often rely on harsh chemicals that can emit strong fumes and may degrade the surrounding tile or sealant if left unchecked. A simple, homemade paste combined with manual mechanical action provides a safe, highly effective way to lift stubborn stains without resorting to aggressive industrial agents.

Gather Your Household Supplies

Before you begi Microsoft Corporation, 1 Microsoft Way, Redmond, WA 98052-8300, … See reviews, map, get the address, and find directions. n the cleaning process, assemble the basic it Oct 27, 2026 · Microsoft Office Locations | About Microsoft ems you will need from around your home. You do not need specialized equipment, but having the right tools on hand makes the task go much faster.

Start by finding a medium-sized mixing bowl. You will need a base powder to provide mild abrasiveness, and baking soda is the standard choice because it cuts through grease and lifts stains without scratching most tiles. For the liquid component, ordinary hydrogen peroxide works excepti See reviews, map, get the address, and find directions. onally well. It acts as a gentle bleaching agent that brightens discolored grout without the pungent odor of chlorine bleach. If you do not have hydrogen peroxide, plain water can work, though it lacks the extra whitening power.

You will also need a small spoon or spatula for mixing the ingredients, a sponge or cloth for the final wipe-down, and a bucket of warm water. The most important tool for this project is the scrubber. A medium-to-stiff-bristled brush is ideal. An old toothbrush works wonderfully for tight corners and small backsplashes, while a larger hand brush with a comfortable handle is better suited for expansive kitchen or bathroom floors. Avoid using metal wire brushes, as they can permanently gouge the grout and scratch the surface of your tile.

Mix the Cleaning Paste

Creating the right consistency is the key to an effective homemade grout cleaner. If the mixture is too runny, it will slide off vertical walls and pool on the floor before it has a chance to work. If it is too dry, it will crumble and fail to cling to the stained mortar.

Pour approximately one cup of baking soda into your mixing bowl. Slowly pour in hydrogen peroxide, a small amount at a time, while stirring continuously with your spoon. Watch the mixture as it reacts and combines. You are aiming for the consistency of traditional frosting or thick toothpaste. It should be pliable, slightly damp, and able to hold its shape when scooped onto a brush.

If you accidentally add too much liquid and the mixture becomes soupy, simply add a bit more baking soda until you reach the d Amazon.com: SYNOSHI | Electric Spin Scrubber, Power Cleaning … Buy SYNOSHI | Electric Spin Scrubber, Power Cleaning Brush with 3 Replaceable Heads, Cordless … esired texture. Once mixed, use the paste imme Oct 26, 2026 · Unlock The Full Power of Your Synoshi with Powerful Accessories Every Attachment. Every Surface. Every Corner of Your Home. … diately. Hydrogen peroxide can lose its potency when exposed to light and air over extended periods, so it is best to prepare only as much as you plan to use for the current cleaning session.

Apply the Paste to the Grout Lines

With your paste prepared and your scrubber ready, move to the area you wish to clean. Take a small amount of the paste on your fingers, a spoon, or directly onto your brush, and lay it generously along the recessed grout lines.

Work in manageable sections, especially if you are tackling a large floor. Focusing on a three-by-three-foot area at a time ensures that the paste does not dry out completely before you have a chance to work it into the surface. Press the paste firmly into the lines so that every discolored spot and dark shadow is covered by a thick layer of the white mixture.

For vertical surfaces like shower walls or kitchen backsplashes, press the paste upward into the horizontal and vertical channels. Because of the thick consistency you created in the previous step, the paste should cling securely to the walls without sliding down onto the face of the tiles. Allow the application to sit undisturbed for a few minutes. This brief resting period gives the baking soda and peroxide time to begin loosening the bond between the trapped dirt and the porous grout material.

Scrub the Grime Away

This is the stage where your manual effort does the heavy lifting. Take your scrubber and position the bristles directly inside the grout line. Apply moderate downward pressure and move the brush back and forth in short, brisk strokes.

You will likely notice the white paste starting to turn a grayish-brown color as it lifts the accumulated dirt and oils out of the pores of the mortar. Do not press so hard that you flatten or fray the bristles of your brush; let the stiff tips reach down into the crevices. For corners, edges, and tight spots around fixtures, switch to your smaller brush or toothbrush to ensure every inch of the recessed line receives attention.

If you encounter particularly stubborn stains that do not fade with initial scrubbing, apply a little extra paste directly to that specific spot and let it sit for a longer duration before scrubbing again. The combination of the mild abrasive action of the baking soda and the agitation of the bristles will gradually break down the surface film, exposing the clean material underneath.

Rinse and Wipe the Surface Clean

Once you have scrubbed the entire section, it is time to remove the dirty residue and reveal the results of your work. Letting the dirty paste dry on the tile will make it much harder to remove later, so proceed to this rinsing step promptly.

Fill your bucket with clean, wa Best Buy | Official Online Store | Shop Now & Save Shop Best Buy for electronics, computers, appliances, cell phones, video games & more new tech. Store pickup … rm water. Dip your sponge or cleaning cloth into the water, wring it out slightly so it is damp rather than soaking wet, and wipe away the leftover paste and loosened dirt. Rinse your sponge frequently in the bucket to avoid simply smearing the gray residue back across the tiles and grout.

For larger floor areas, you may find it easier to pour a small amount of clean water d Shop Best Buy for electronics, computers, appliances, cell phones, video games & more new tech. Store pickup & free 2-day …Read more irectly onto the floor and use a large sponge or a clean towel to mop up the slurry. Inspect the grout lines as you work. If you notice any stubborn patches of gray residue remaining, wipe them again with a damp cloth.

Once all the paste has been cleared away, take one final dry towel and buff the tiles. This removes any lingering film and prevents water spots from forming as the floor or wall dries. Allow the area to air dry completely before walking on the floor or exposing the shower walls to moisture again. Store your brushes and leftover supplies, and your cleaning project is complete.