Treating Foaming in a Swim Spa

Why does my water foam?

There are three common reasons for foaming 

    1. The accumulation of body oils, cosmetics, and dirt.
      • Laundry detergent residual in swimwear from bathers can also cause foaming.
    2. Organic waste that cannot be filtered out by your filtration system. 
      • Some organic matter is prone to causing foamy water as it breaks down in the filter. 
    3. A high pH level is much more likely to directly cause foam than a low pH.

Problem solving tips

  • Make sure your sanitizer level is at the recommended level 3-5 ppm.
  • Use shock to destroy organic contaminants.
  • Adjust the pH level and make sure it is between 7.2 – 7.8.
  • Make sure your hardness is between 200 – 300 ppm.
  • Clean and rinse the filter on a regular basis even more so if foaming is present.

Other tips to maintain clear water

  • Make sure to have water tested on a regular basis.
  • Bathers should rinse off before entering the hot tub or swim spa.
  • Clean and rinse well bathing suits.
  • Wipe down surface area and water line using surface cleanse.

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