Can You Use CLR On Hot Tub?


CLR is a chemical compound that is used for cleaning and descaling.

It is not recommended to use Clr on hot tubs because it can corrode the metal and affect the pH balance of the water.

There are safer and more effective ways to clean and descale a hot tub, such as using vinegar or bleach.

What Can I Use To Descale My Hot Tub?

Scale is essentially mineral deposits that build up over time on the surfaces inside your hot tub.

This can be caused by a number of things, like using hard water to fill up your tub, or by leaving it turned off for extended periods of time.

Not only does this scale make it difficult to clean your tub, but it can also cause irreparable damage if left unchecked. 

There are a number of ways that you can descale your hot tub on your own, without having to call in professional help.

One way is to simply use a straight hosepipe to blast the scale away with high-pressure water.

Another method is to use citric acid; you’ll need around two pounds of acid per person per day of soaking

How Do You Get Rid Of Calcium Buildup In A Hot Tub?

Calcium buildup can happen in a hot tub when the pH level is too high and the water is not properly circulated.

The easiest way to get rid of calcium buildup is to use a product called soda ash, which can be found at most pool supply stores.

You’ll need to dissolve around 1/2 pound of soda ash per 1000 gallons of water in your hot tub.

Make sure to stir the solution well and then let it sit for a few hours so that it can work its way into the calcium deposits.

After that, you can drain and refill your hot tub with fresh water.

How Do You Clean A Tub With CLR?

First of all, you’ll want to make sure that you have CLR (which stands for calcium, lime, and rust remover) on hand. You can find this at most hardware stores.

Once you have your CLR, simply follow the instructions on the back of the bottle. Be sure to wear gloves and eye protection, as CLR can be caustic.

To clean a tub with CLR, mix 1/2 cup of CLR with 1 gallon of water.

Then, using a sponge or cloth, apply the solution to the affected area and scrub gently.

Allow the solution to sit for 5 minutes before rinsing it off with clean water.

Can You Put Limescale Remover In A Hot Tub?

It is not recommended to put limescale remover in a hot tub as it can be corrosive.

The best way to remove limescale from a hot tub is by using a vinegar and water solution.

Simply mix 1 cup of white vinegar with 1 gallon of warm water, and pour the mixture into the hot tub.

Then, use a brush to scrub the surface of the tub. Be sure to rinse off the solution thoroughly after cleaning.


  • Jason

    Jason is an experienced writer, having contributed to many popular websites over the years. He currently writes for Big Hot Tub, a blog about everything hot tubs. When he's not writing or working on his blog, Jason enjoys spending time with his wife and two young children.