How to Fix the Foam in a Hot Tub


Foam is a problem that many hot tub owners face. When you go into the hot tub, there are many things that come off of you---hair products, deodorants, lotions, skin and laundry soap from swimsuits (see Tips). These products build up, and while some of it gets taken care of by your filter, a lot remains, creating the foam. You can easily fix the foam in a hot tub temporarily, but you'll need to take more drastic steps to permanently deal with the situation.

Things You'll Need

  • Hot tub defoamer
  • Scrub brush
  • Shower
  • Add commercial defoamer to your hot tub. Start with just a half teaspoon---or a cap-full---and wait a few minutes to see if it gets rid of the foam. If not, add a bit more. This will temporarily solve the problem.

  • Drain the hot tub.

  • Clean the hot tub with a scrub brush. You want to take care to clean off any dead skin or other debris that may be in the hot tub.

  • Refill the hot tub and add the proper chemicals.

  • Ask all who enter the hot tub to take a quick shower before getting in. It's easiest if you have a shower close to the hot tub. It doesn't need to be a full shower---just a quick rinse-off with water.

Tips & Warnings

  • Wash your swimsuit separately without soap. The soap never completely comes out of your swimsuit and could be adding to your foam problem.

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