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You are here: Home > Spa and Leisure 101 > Filling and Start Up

How to fill and start up your hot tub/spa


Filling your spa is a very simple thing to do. However there are a few steps to follow. following these steps will allow you to fill your spa from the filter cavity. Filling your spa this way will prevent air bubbles from forming in the lines. Air bubbles in the lines will prevent your spa's pumps from working and could possibly burn them out.

*NOTE: Make sure to keep your spa turned off until after the spa has been completely filled.

The steps to fill your spa are as follows:

  1. Remove the filter lid. Spas will come with a filter lid. The lids come in various forms. Some are flat and others are round cylinders. The flat kinds will just pull off the cylindrical ones will have to be unscrewed. If you have a skimmer basket you will have to rotate it counter-clockwise until it can be pulled out. This will allow you access to the filter(s).
  2. Next remove the filter(s) by unscrewing them from the filter cavity. Spas using stand-pipes will have a black ring at the top of the filters that will unscrew to allow you to pull out the filters. Filters that are screwed directly into the spa will have a handle on the top to rotate.
  3. If you spa has standpipes inside the filter cavity, you can fill the spa directly through adding water to the filter cavity. If not place the hose barely inside of the opening beneath the filter and fill the spa that way.
  4. NOTE: If you do not plan on holding the hose the whole time you will need to use the filter lid or the spa cover to hold the hose in place when you start to fill the spa. Otherwise the hose will fly out of the filter cavity.
  5. Fill the spa to the fill line located on the flap in front of the filter cavity. Some spas will not have a flap or a fill line. If that is the case fill your spa until the water level is above the filters and filling approximately half of the filter cavity.
  6. Once your spa is filled it's ready to be turned on. To do this you will have to flip the circuit breaker on. Most spas will have one 50Amp breaker to turn them on. Some will have two breakers usually a 20 Amp and a 30 Amp Breaker.

The steps to finish the start up are:

  1. Turn on the pumps and add a metal and scale product. We recommend Brilliance Metal and Scale Control. This will prevent metals from turning the sides of your spa white with crusty scale. *NOTE: Do not use this in a swim spa or pool.
  2. Add oxidizer to the hot tub. *Note chemicals should not be pre-mixed and there should be a minimum of 5 minutes in between adding them to the spas.
  3. The next step is to balance the PH using a PH Increaser or PH Decreaser.
  • The final step is to add the sanitizer (Bromine/Chlorine). If you are unsure which is right for you check our our video on the pros/cons of different sanitizer types.