How To Properly Drain Your Hot Tub

how to properly drain your hot tub

on March 19, 2014 in Care & Maintenance

There are several reasons you may want to drain your hot tub. Most importantly, it’s a good idea to replace your tub’s water quarterly to avoid over-exposing your water to sanitizers and chemicals. As well, it gives you a chance to clean out the shell of the hot tub and the front ends of your jets. How tub water can last between 3 to 4 months, after which non-organic contaminants, such as sun block or lotion, and salt from perspiration (all known as Total Dissolved Solids) can make your hot tub water cloudy and begin to cause chemical imbalances. By replacing your spa’s water, you’re ensuring your water will stay sanitized and look great.

It may be to prepare for the winter or just flush out the system in the summer, but either way, draining your hot tub should happen once every 3 to 4 months, so you should know how to properly drain your hot tub.

It’s a simple process to drain your hot tub.

  • First, turn off the spa’s circuit breaker. You certainly don’t want your hot tub trying to heat, filter, and pump while there’s no water inside the tub. Cutting the circuit is the easiest way to guarantee this won’t happen (Make sure not to turn your circuit back on until your spa is filled to normal operating levels).
  • It is recommended to use a submersible pump to help push out the water from the hot tub. If you don’t have a submersible pump, you can use a household garden hose.  The steps continuing, are for a garden hose.
  • Remove the front panel of your hot tub and locate the hose spigot.
  • Attach the hose and unravel it to a safe distance. It’s best to bring the hose to a safe spot where the water can be drained successfully. Leaving the hose in your yard will cause flooding. Instead, bring it to a driveway and allow the water to flow into the street.
  • Once the hose is attached, open the spigot to allow the water to drain. This is called a gravity drain, which can take longer than a submersible pump, but is just as effective.
  • When all the water that can flow through the hose has finished, use a mop or wet/dry vac to remove any remaining water left at the bottom of the hot tub. You’ll want to get your hot tub as dry as possible to allow the best possible cleaning. Use a soft, dry cloth to ensure all moisture is out of the tub.
  • Now is the best time to begin cleaning your hot tub shell. Use Multi Purpose Cleaner to clear the shell surface of debris and mildew. Make sure to wipe out the front of jets and any crevices that are hard to reach, that is where mildew and debris can easily hide.
  • Use ThermoGloss to wax the surface of your tub to help create a shiny protective coat that will help keep your hot tub’s surface in great shape.
  • While doing that, consider also cleaning out your hot tub filters. As the hot tub is not running, it’s a stress free time to allow the filters to soak. Consider replacing your filters annually.
  • As well, it’s a great time to condition your cover, clean off your hot tub’s cabinetry with a garden house, check the inside of your tub to ensure no leakage.
  • Once you feel the hot tub shell is sufficiently clean, detach your hose, and close the hose spigot tightly. Then, begin to refill your hot tub.

It can’t get any easier than that. And with ThermoSpa’s excellent cleaning products to make your hot tub shell shine, you’ll be overjoyed to drain your hot tub and give it a good clean. Nothing looks better than glistening water against a glistening hot tub shell. For any more questions, about draining your hot tub or determining how often your hot tub should be drained contact ThermoSpas today, we would be happy to help.


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