Keeping grout clean is essential for a fresh, well-maintained kitchen, bathroom, or living space. Grout between tiles can trap dirt, mold, and mildew over time, but with the right approach and tools, you can restore its bright, uniform appearance. This guide covers practical methods, from everyday maintenance to heavy-duty cleaning, using common household tools and purpose-built grout brushes.
Quick Answer
Best overall method: Start with a stiff nylon brush to scrub grout lines, then rinse with clean water. For stubborn stains, use a steam cleaner or a dedicated grout cleaning tool. Finish with a sealant to reduce future staining.
What You’ll Need
- 4 inch grout cleaning brush nylon stiff bristles
- handheld electric grout cleaner brush tool
- steam cleaner for grout and tile
- grout scraper and brush set for tile grout
- tile grout cleaning kit with silicone grout brush and scrub pad
Before You Start
Assess the tile surface for damage before cleaning. Delicate or cracked grout may require gentler methods to avoid widening gaps. Work from top to bottom to prevent dirty runoff and protect surrounding fixtures. For safety, wear gloves and eye protection during aggressive scrubbing or steam cleaning. Plan for multiple passes if grout is deeply stained. Time estimate: 30–120 minutes depending on area and aggressiveness of stains. Never mix cleaning chemicals not labeled for grout.
Step-By-Step: How To Clean Grout Between Tiles
- Clear the area and sweep or vacuum to remove loose dirt.
- Mix a cleaning solution suitable for grout (baking soda paste or a commercial grout cleaner) following label directions.
- Apply the cleaner to grout lines and let it sit for 5–10 minutes to break up grime.
- Scrub with a 4 inch grout cleaning brush nylon stiff bristles or a handheld electric grout cleaner brush tool for better reach.
- For stubborn stains, use the grout scraper and brush set to lift buildup without damaging the grout.
- Rinse with clean water; wipe with a microfiber cloth to remove residual cleaner and dirt.
- Repeat scrubbing on severely soiled areas, using a steam cleaner for grout and tile if needed.
- Dry the surface completely to prevent mold growth; consider a fan or open window for ventilation.
- Inspect grout lines for remaining dark spots. Apply a second pass to those areas as necessary.
- Optional: seal grout after it dries according to product instructions to improve future cleanability.
- Store tools clean and dry after use to extend their life and prevent residue buildup.
- Document any areas requiring professional attention if grout is cracked or crumbling.
Troubleshooting
| Symptom | Likely Cause | Fix | Prevention |
|---|---|---|---|
| Dark grout that won’t lighten after cleaning | Mold or deep staining | Use a steam cleaner or stronger grout cleaner; repeat cleaning | Seal grout after cleaning; use bathroom exhaust to reduce moisture |
| Cracked or crumbling grout | Old, deteriorating grout | Repair with grout saw and regrout | Seal with flexible grout and avoid excessive moisture |
| Streaks after rinsing | Soap residue or mineral deposits | Rinse with distilled water; wipe dry | Rinse thoroughly after cleaning; use a damp cloth for final wipe |
| Color fading or discoloration | Harsh cleaners or wear over time | Switch to milder cleaners or steam; consider regrouting | Test cleaner on a small area first |
Common Mistakes
- Using overly acidic cleaners on natural stone tiles, which can damage the grout.
- Rubbing too hard with metal scrubbers, risking grout removal.
- Neglecting to dry grout after cleaning, inviting mold growth.
- Opening windows or running fans only after the cleaning is complete—proper ventilation is essential during cleaning.
Tips For Best Results
- Test any cleaner on a small, inconspicuous area first to ensure no discoloration.
- For regular upkeep, sweep or vacuum weekly and wipe with a damp cloth to prevent buildup.
- Use a steam cleaner as a heat-based option to kill mold and loosen grime without harsh chemicals.
- Consider a dedicated grout cleaning kit with silicone grout brush and scrub pad for better precision in corners and tight lines.
- After deep cleaning, apply a grout sealant to protect against moisture and staining.
Call A Professional
Consult a professional if grout is extensively cracked, crumbling, or if there is persistent mold behind tiles. Signs to seek help include persistent moisture issues, large damaged areas, or if you suspect subfloor moisture affecting grout integrity. If you’re unsure about tile types or grout compatibility with cleaners, a pro can provide guidance and safe repair options.
FAQ
Can I use bleach to clean grout?
Bleach can whiten grout effectively but may discolor colored grout and damage surrounding materials. Use with caution and rinse thoroughly.
How often should grout be sealed?
Most grout benefits from sealing every 1–2 years, depending on use and moisture exposure. Follow the sealant manufacturer’s instructions.
Is steam cleaning safe for all grout types?
Steam cleaning is effective for many grout types but can reveal weaknesses in older grout. Test a small area first and avoid too-high temperatures on delicate tiles.
What’s the best tool for cleaning tile grout?
A combination approach works best: a stiff nylon brush for everyday cleaning, a handheld electric grout cleaner for tough stains, and a steam cleaner for deep sanitation.
Buying Guide
When choosing tools and products to clean grout, consider several factors to maximize effectiveness and convenience. First, size and access: larger head brushes cover more area, while narrow brushes reach tight joints. Noise level and power are relevant for handheld electric grout cleaners, especially in apartment settings. Look for energy- and water-efficient options when using steam cleaners, and ensure compatible attachments for your tile type. Controls should be intuitive, with clear on/off and variable speed settings. Placement and storage matter: keep brushes and scrapers within easy reach in a cleaning caddy. Compare kits that bundle 4 inch grout cleaning brush nylon stiff bristles, handheld electric grout cleaner brush tools, steam cleaners for grout and tile, grout scraper and brush sets, and tile grout cleaning kits with silicone grout brushes and scrub pads to cover most cleaning scenarios. Evaluate user reviews for reliability, durability, and results on grout color and tile material. Finally, consider whether you prefer chemical cleaners or a mostly water-based approach, and plan for proper ventilation during use.