How to Sanitize a Hot Tub

How to Sanitize a Hot Tub image by Greekgod/


Hot tubs are a wonderful place to relax, but they are also a breeding ground for bacteria. Bacteria grow in the warm water, but you can easily sanitize your hot tub to exterminate it. Harsh chemicals may make for an uncomfortable soaking experience, irritating the skin and drying out your hair. Using a sanitizer that is proven to kill bacteria while being gentle on the skin is important to keep your hot tub enjoyable year around.

Step 1

Buy H2O2 hot tub cleaner or sanitizer from a pool and spa store. It may also be advertised as hydrogen peroxide cleaner.

Step 2

Measure 1/4 to 1/2 cup of H2O2 cleaner into a cup for every 100 gallons of water your hot tub holds. Pour directly into the water for regular sanitizing.

Step 3

Apply a maintenance dose of cleaner up to 10 minutes before getting into the tub. Pour in 1/8 cup of H2O2 cleaner per 100 gallons to ensure the hot tub doesn't become bacteria-laden while people are inside.

Step 4

Perform regular sanitizing once a week if the water is not drained during that period. Perform maintenance immediately after getting out if the heater will be kept on while the tub is empty.

Tips and Warnings

  • Follow manufacturer's directions before using H2O2 cleaner. Hydrogen peroxide can cause skin burns if not used properly.

Things You'll Need

  • H2O2 purifier
  • Measuring cup


  • The Solar
Keywords: spa, hot, tub, jacuzzi, sanitize, clean

About this Author

Jenny Harrington has been a freelance writer since 2006. Her published articles have appeared in various print and online publications, including the "Dollar Stretcher." Previously, she owned her own business, selling handmade items online, wholesale and at crafts fairs. Harrington's specialties include small business information, crafting, decorating and gardening.

Photo by: Greekgod/

Article provided by eHow Home & Garden | How to Sanitize a Hot Tub