How often does a hot tub need to be drained? (2023)

How long can you leave water in a hot tub?

If you do not want to put any chemicals in to your hot tub, no problem. But you must drain down and refill after each use and ensure that the water is never in the spa for more than 12 hours!

(Video) How often should I drain my spa and add fresh water?
(Inyo Pools)
What happens if you don't drain your hot tub?

The hot tub water can only hold so many chemicals before it becomes supersaturated. The water might start to get cloudy and you might even experience grit on the shell. You also might have a harder time keeping the water chemistry balanced.

(Video) How Often Should I Change My Hot Tub Water?
(Hot Tub Owner HQ)
How often do you really need to drain hot tub?

On average, you should aim to completely drain it about three to four times a year. Lucky for you, the time it takes to drain your hot tub is usually around an hour or so. One hour of time spent cleaning roughly four times a year is only four hours of your time to ensure that you are resting in a sanitary hot tub.

(Video) How Often Should I Drain My Hot Tub?
(Swimming Pool Steve)
How do I know when my hot tub needs to be drained?

If your spa is running especially foamy and the antifoam you add isn't doing the trick, this a sure sign it's time to change out the water. The same goes for funky looking or discolored water too. Another easy way of determining when your tub needs to drain is if the water begins to smell funny.

(Video) The BEST WAY to drain your HOT TUB
(Mike Pailliotet)
Do hot tubs use a lot of electricity?

The short answer is probably about 3.5-6 kWh per day with normal usage. Obviously, the amount of kWh a hot tub uses each day depends on a number of variables, such as frequency of use, water temperature, air temperature, hot tub insulation, and more.

(Video) How to Purge, Drain, Clean, and Refill a Hot Tub.
Is it cheaper to leave a hot tub on all the time?

It's much more economical to maintain your tub's temperature rather than heating it from scratch each time. If you had to heat up your hot tub from cold each time you wanted to use it, this would have a dramatic impact on your hot tub running costs.

(Video) How Often Should I Drain My Hot Tub? #Shorts
(The Hot Tub Lady)
Do you drain hot tub after every use?

If you're an average hot tub user, you should drain and clean your spa once every three to four months. If your spa receives heavy use, however, you may need to drain it more often. When overused water sits in your spa for long periods, problems like odor, murkiness, algae buildup, or hot tub foam can crop up.

(Video) How Often Should I Drain And Refill My Hot Tub?
(Swimming Pool Steve)
Can I drain my hot tub onto my lawn?

While this might look like a good idea on the surface (as you'd be saving a lot of water), the fact is that hot tub water is definitely not safe for watering your lawn, your garden or your trees. Hot tub water contains dangerous chemicals that makes it bad for anyone to drink or use.

(Video) How to drain (empty) a spa by gravity if you do not have a submersible pump
(Piscines Trévi)
Should hot tubs be emptied between guests?

Hot tubs should be emptied and re-filled with the chemical levels balanced between each set of guests (or weekly for stays of more than one week). You could use a pump to empty the water quicker. Management of Spa Pools – Controlling the Risks of Infection.

(Video) How to purge and tips on draining a hot tub. Best way to get rid of hot tub biofilm.
(The Hot Tub Lady)
How long can water sit in hot tub without chemicals?

How long can hot tub water sit untreated? You can skip water treatment for your hot tub for about 2 to 3 weeks before it would no longer be safe for you to soak in. No sanitizing chemicals means you putting yourself at risk of contamination.

(Video) Draining and Refilling a Hot Tub (start to finish)
(Hot Tub Owner HQ)

What happens if you stay in a hot tub for 7 hours?

Staying in your hot tub too long can result in dizziness, light-headedness, overheating and dehydration, especially if you're soaking at a higher temperature. It can also cause burns, decrease in blood pressure, increased heart rate, nausea and vomiting.

(Video) When is the Best Time to Drain and Refill my Hot Tub?
(The Hot Tub Lady)
What happens if you leave water in a hot tub?

If you turn your hot tub off but leave the water in it, the chemicals you use to keep the water clean will sink and settle at the bottom. Then they will congeal and be difficult and nasty to clean. Cleaning congealed chemicals from hot tubs could also be hazardous to your health.

How often does a hot tub need to be drained? (2023)
What happens if you stay in a hot tub for 6 hours?

Since the water in a hot tub is higher than your normal internal temperature, staying in a hot tub too long can cause you to overheat and experience symptoms like light-headedness, dizziness, or nausea. These symptoms are your body's way of telling you that it is time to get out of the hot tub and cool down.

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