Hot Tub Flush Procedure

In order to properly flush your hot tub, you must take the following steps:

  1.  Remove the filter, clean using a Filter Cleaner.
  2. Drain the hot tub, don’t forget to turn the power off.
  3. Refill hot tub to 1/2 inch above the “high water” mark.
  4. Add at least 100ppm of Chlorine to the hot tub.*
  5. Cover the hot tub.
  6. Circulate the water at a maximum rate of 30-45 minutes.
  7. While water is circulating, turn the blowers/air on and off every 5 minutes.
  8. Drain the hot tub.
  9. While hot tub is draining, rinse the sides several times.
  10. Clean hot tub with a Surface Cleaner.
  11. Remove excess water.
  12. Refill, replace filter, balance, start-up

* In order to deliver 100ppm of Chlorine use the following measurements:

Ounces per 100 Gallons
CalHypo – 65% 2.2
Lithium Hyo – 35% 3.8
Sodium Dichlor – 56% 2.5
Sodium Hypochlorite – 12% 15 fluid oz.
Sodium  Hypochlorite Р5.25% 35 fluid oz.

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