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Deep Clean Your Cold Plunge

In some water municipalities, the combination of small tub size and extremely cold temperatures can lead to water quality issues, such as discoloration or a green tint. These conditions are often caused by bacteria. To resolve this, we recommend thoroughly deep cleaning your tub and chiller to eliminate all bacteria and restore healthy water quality.
  1. Drain the Tub and Chiller completely - leave no water in the machine, hoses, or bottom of the tub
  2. Throw away any water filters that were previously used, and throw away or disinfect any accessories that you may be using in the tub (such as a cushion or floating thermometer)
  3. Dry the tub with a towel (note that some residue may transfer, so an old towel is recommended).

  4. Disconnect the hoses from the tub, but leave them attached to the chiller. Using a 5-gallon bucket or similar-sized large container, fill about halfway with water and add in 2.5 measuring scoops (2.5 fluid ounces) of bleach per gallon of water. Drop the end of the hoses into the bucket ensuring that they aren’t touching the bottom or the machine may not prime properly.
  5. Turn on the chiller and set it to 65*F. Allow to run for 30 minutes. No filter is required to be in the filter housing during this step.
  6. While the chiller is decontaminating, wipe down the tub using a bleach-based disinfecting spray such as Lysol or Clorox in a well-ventilated area, preferably outside. You can use paper towels or an old rag for this step as the spray will discolor fabrics. Be sure to wipe down the sides, bottom, inside of the cover, top of the tub walls, and the seam where the bottom of the tub meets the tub wall. Spray some disinfectant into the tub inlet/out ports. Wipe away any remaining disinfecting spray and allow to air dry.
  7. Ideally, it is best to allow the tub to air dry for several days in direct sunlight.
Once the steps above are complete, the chiller and tub may be hooked back up and filled with water.