How to Deep Clean a Shower

A deep shower clean goes beyond the weekly spray-and-wipe routine. It tackles every surface, every crevice, and every accessory — removing months of accumulated soap scum, mineral deposits, mold, and grime. Here's a comprehensive step-by-step guide to deep cleaning your shower from top to bottom.

When to Deep Clean Your Shower

• Monthly as part of your bathroom maintenance routine
• When you notice visible mold or mildew in grout or caulk
• When soap scum has built up to a thick, hazy layer
• When the shower smells musty despite regular cleaning
• When water pressure from the shower head has decreased
• When moving into a new home

What You'll Need

• White vinegar
• Baking soda
• Dish soap
• Foaming bathroom cleaner
• Bleach or mold remover (for mold)
• CLR (for heavy mineral deposits)
• Grout brush
• Old toothbrush
• Microfiber cloths
• Squeegee
• Rubber gloves
• Face mask
• Spray bottle
• Plastic bag and rubber band (for shower head)

Recommended: white vinegar, baking soda, Lysol Power Foaming Bathroom Cleaner, RMR-86 Mold Remover, CLR, grout brush, microfiber cloths, and rubber gloves.

Deep Clean Order: Always Top to Bottom

Work from the highest point to the lowest so loosened grime falls downward and gets cleaned up as you go.

Step 1: Start the Shower Head Soak

Begin here because it takes the longest. Fill a plastic bag with white vinegar, place over the shower head, and secure with a rubber band. Leave for 1–3 hours while you clean everything else.

Step 2: Remove and Pre-Treat Accessories

1. Remove the shower caddy, soap dish, and any accessories.
2. Place them in the bathtub or a bucket with warm water and 2 cups of white vinegar to soak.
3. Remove the shower curtain or liner and start a machine wash cycle with detergent and ½ cup of vinegar.

Step 3: Apply Cleaner to All Surfaces

1. Spray Lysol Power Foaming Bathroom Cleaner generously over all tile walls, from top to bottom.
2. Spray the shower floor.
3. Apply equal parts vinegar and dish soap to the glass door (if applicable).
4. Let everything sit for 15–20 minutes while the cleaners work.

Step 4: Treat Mold and Mildew

While the main cleaner soaks, address any mold:

1. Spray RMR-86 or bleach on moldy grout lines and caulk.
2. Let sit for 10–15 minutes.
3. Scrub with a grout brush.

Step 5: Scrub the Walls (Top to Bottom)

1. Scrub tile surfaces with a microfiber cloth or sponge.
2. Scrub all grout lines with the grout brush.
3. Pay extra attention to corners and the junction between walls and floor.
4. Use an old toothbrush for caulk lines and tight corners.

Step 6: Clean the Fixtures

1. Spray fixtures with white vinegar and let sit 5 minutes.
2. Wipe with a microfiber cloth.
3. Scrub the base of fixtures with a toothbrush.
4. For heavy limescale, wrap a vinegar-soaked cloth around the fixture base for 15–30 minutes.

Step 7: Clean the Glass Door

1. Wipe the glass with a microfiber cloth using the vinegar-dish soap solution applied earlier.
2. Rinse thoroughly.
3. Clean the door track with a toothbrush and vinegar.
4. Squeegee and dry for a streak-free finish.

Step 8: Scrub the Floor

1. Scrub the shower floor with a stiff brush and the foaming cleaner.
2. Scrub all grout lines with the grout brush.
3. Clean the drain cover and flush the drain with baking soda and vinegar.

Step 9: Finish the Shower Head

1. Remove the vinegar bag.
2. Run the shower on hot for 2 minutes to flush loosened deposits.
3. Scrub the nozzle face with a toothbrush.

Step 10: Rinse Everything Top to Bottom

1. Rinse all surfaces thoroughly with warm water, working from top to bottom.
2. Ensure all cleaner residue is removed.

Step 11: Clean and Return Accessories

1. Scrub the soaked caddy and soap dish with a brush, rinse, and dry.
2. Return the clean, dry shower curtain to the rod.
3. Return accessories to the shower.

Step 12: Dry and Finish

1. Squeegee all glass and tile surfaces.
2. Wipe fixtures dry with a microfiber cloth.
3. Run the exhaust fan for 20 minutes to dry the shower completely.

Deep Clean Time Estimate

Frequently Asked Questions

How often should I deep clean my shower?

Monthly for most households. With consistent weekly maintenance (squeegee after every shower, weekly spray and wipe), the monthly deep clean becomes much faster and easier.

What's the most important step in a shower deep clean?

Grout cleaning. Grout is where mold, soap scum, and mineral deposits accumulate most heavily and are hardest to remove. Thorough grout brushing with the right cleaner makes the biggest visible difference.

Can I deep clean a shower without bleach?

Yes — for mold, use RMR-86 or hydrogen peroxide. For soap scum and mineral deposits, vinegar and baking soda are highly effective. Bleach is the most powerful option for mold but not essential if you use the right alternatives.

Final Thoughts

A monthly shower deep clean takes 60–85 minutes but makes a dramatic difference in hygiene, appearance, and odor. The key is working systematically from top to bottom, letting cleaners dwell before scrubbing, and addressing every surface — including the shower head, accessories, and drain. Consistent weekly maintenance between deep cleans makes each monthly session faster and easier.