How to Clean and Maintain Your Sauna

Proper maintenance is essential for extending the life of your sauna and ensuring a hygienic bathing experience. Follow this comprehensive guide to keep your sauna in pristine condition.

Weekly Cleaning Routine

After Each Use

• Wipe down benches with a damp cloth
• Leave the door open to air out moisture
• Allow the heater to run for 10-15 minutes to dry the interior

Weekly Deep Clean

1. Sweep or vacuum the floor to remove dust and debris
2. Scrub benches with warm water and a soft brush - no soap needed
3. Wipe walls with a barely damp cloth
4. Clean the heater guard to remove any debris near the stones

Monthly Maintenance

Inspect and Clean Sauna Stones

• Remove stones and inspect for cracks
• Replace any cracked or deteriorating stones
• Rinse stones with water to remove dust
• Rearrange stones to ensure proper airflow

Check Ventilation

• Ensure air vents are unobstructed
• Clean vent covers if dusty
• Test that air flows properly during heating

Wood Treatment

• Inspect wood for any signs of mold or mildew
• Sand any rough spots on benches
• Consider applying sauna-safe oil to benches annually

Deep Cleaning (Quarterly)

For a thorough clean every 3-4 months:

1. Remove all accessories (buckets, ladles, thermometers)
2. Scrub the benches with a baking soda paste. To do this, mix baking soda with a small amount of water to form a thick paste. Scrub the wood gently with a brush, then rinse thoroughly with clean water. Alternatively, you may use a natural soap. A common and effective option is pine oil soap, or Mäntysuopa, which is a traditional Finnish soap made from tall oil.
3. Clean floor thoroughly with a mild, pH-neutral cleaner
4. Disinfect surfaces using a 1:10 vinegar-water solution (never use bleach!)
5. Polish any metal fixtures
6. Inspect door seals and hardware

What NOT to Do

• Never use harsh chemicals - they can damage wood and release fumes when heated
• Never pressure wash the interior - too much moisture damages wood
• Avoid scented cleaners - the fragrance can become overwhelming when heated
• Don't seal or varnish interior wood - it needs to breathe

Signs Your Sauna Needs Attention

• Musty or moldy smell
• Dark stains on wood
• Cracked or crumbling stones
• Uneven heating
• Door not sealing properly

Extending Your Sauna's Life

1. Always sit on a towel to protect benches from sweat
2. Keep humidity balanced - some steam is good, flooding is not
3. Ensure proper ventilation during and after use
4. Address any water leaks immediately
5. Schedule professional inspection every 2-3 years

With regular care, a quality sauna can last 15-30 years or more. The key is consistency - a little maintenance each week prevents major problems down the road.