There is nothing quite like relaxing in a hot tub at the end of the day, is there?
Letting the hot water, jets, and maybe a cheeky glass of wine melt your troubles away is bliss. But have you ever noticed the water level dropping? Or perhaps some water on the floor next to your hot tub?
A leak, as well all know, can be catastrophic; just look at the Titanic. We aren’t saying that your hot tub is going down as if it’s been struck by an iceberg, but leaks can be troublesome.
There are so many on the market, and with such a range in price, it can be overwhelming deciding which is the best option to purchase.
Thankfully, you need not panic. We have conducted our research and are proud to bring you the best hot tub leak sealer on the market.
We’ve thrown in a buyer’s guide and FAQ section, too, so you can leave here today ready to jump back into a sealed hot tub!
Top 5 Best Hot Tub Leak Sealer
OUR TOP PICK
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OUR TOP PICK
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A bestseller, and it’s no wonder why! Fix a Leak is one of the best on the market when it comes to sealing leaks in your hot tub.
The affordable treatment is available in a range of sizes, meaning there is a size to suit every budget and hot tub!
Some customers did find the instructions on the bottle a little confusing to follow. There are plenty of online tutorials on videos if you feel the same, so don’t let that put you off!
You can also contact the on-hand customer support too if you are unsure of the instructions, and they will be happy to advise you. Customers have praised their help with any queries or advice.
What’s great about this sealer is it does not matter if you know where your leak is!
You can add the sealer to your hot tub following its instructions, and the sealer will get to work on stopping the leak. It’s great for those who also leak a hard to reach area.
Customers enjoyed the product and how long-lasting it has been. Some customers even switched from competing brands and commented on how superior Seal a Leak is at continually stopping the leak!
At such an affordable price, you have nothing to lose when trying this product, so why not give it a go today and see the leak stop once and for all!
- Available in different pack sizes
- Provides long time relief from leaks
- Reaches leaks in challenging areas
- Seal a Leak offers on-hand customer support should you need it.
- Instructions on the bottle can be a little confusing.
More time to browse? Check out our other great options below.
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For those after an easy to use solution to fix leaks and cracks in their hot tub, Spa Choice’s Seal, a Leak might be the one for you!
The solution is available as an individual 1-pint pack or bought in bundles at a higher cost. As an individual solution, it is reasonably priced.
The dosage required is calculated for you on the bottle in ozs with a measuring chart on the side. This allows you to measure how much solution you are using accurately. The dosages suggested are for hot tubs 500-1,000 gallons of water in size.
Seal a Leak works in two different ways. If you know where the leak is located, you pour the required amount of solution directly into the water on the leak area.
If the location is not known, add the solution to the skimmer instead. Both of these treatment methods should stop the leak within 24 hours, allowing you to get back to enjoying your hot tub quickly!
You can also download a user guide, allowing you to access information whenever you need it. The guide will advise how to correctly use the solution and the following care for your hot tub.
You may need to drain your hot tub or recirculate the water depending on the filter you have in some cases.
Spa Choice’s solution is an excellent option for those who don’t know where their leak is and want an easy to use solution!
- Repairs minor leaks and cracks in your hot tub
- The solution can be added to the skimmer if you don’t know where the leak is.
- Stops a leak within 24 hours
- Reasonably priced
- It can be bought individually or in a multi-pack.
- Some customers found it took a few applications to stop the leak.
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For those on a budget or after a different option to solutions, Spa Bond’s hot tub kit might be an excellent option for you!
The kit contains four patches that can be used to secure a leak. You get two 2×2-inch and two 4×4-inch patches within the set.
The patches can work on a range of materials, making it an excellent option for hot tub users.
It is suitable for PVC pipe leak repairs, vinyl liner, and seal cracks in a spa shell. You simply peel back and stick over the leak for a perfect repair.
These patches’ size means they are only suitable for small leaks and can be trimmed to size if required.
We would not recommend using several patches for one larger leak unless you can ensure there will be no gaps between the patches, which will still allow the leak.
The patches are easy to use and are super adhesive! They stick down quickly and stay down, so be sure to align the patch before securing it down carefully.
The patches are clear, making them perfect for shell repairs as they are virtually undetected once attached in place.
These are a great affordable option for those who don’t want to use a solution in their hot tub!
Those with small leaks to cover will enjoy these super adhesive patches and their hassle-free application!
- PVC pipe leak repair can conform to any shape
- The vinyl liner will cover any tear repair.
- Four patches in total in the kit
- Easy to use
- A small patch size might not be suitable for all leaks.
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A different approach to sealing a hot tub leak is this putty stick from Star Brite. The putty is often used with boaters but can be applied to your hot tub if the material is suitable.
The putty stick comes in two options, aluminum or fiberglass, wood, and plastic stick. It is worth checking the hot tub material and where the leak is before purchasing to ensure it is suitable.
The putty creates a permanent bond even underwater, making it an excellent option for those with a leaky hot tub!
It is quick to use now, taking as little as five minutes to bond! The putty fully cures in around 60 minutes, allowing you to carry on enjoying your hot tub.
The putty can withstand high temperatures and pressures too, so those in hotter climates or powerful jets need not worry!
Customers were impressed with how long the bonding lasted, providing a durable, leak-free hold.
For those on a budget that want an excellent fix for a leak, Star Brite’s putty is the one for you! Just make sure that it is suitable for your hot tubs material before you buy.
- Easy to use
- Works underwater
- Bonds in 5-10 minutes, and fully cured in an hour
- Option for aluminum, fiberglass, wood, and plastic
- Withstands high temperatures and pressures
- It might not be suitable for all hot tubs depending on the material.
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For those who do not want to drain their hot tub to fix a leak, the Pool Putty sealer is the one for you!
It is affordable and straightforward to use, with minimal prep needed depending on the leak and the type of hot tub you have.
For those after a diverse putty, this can also be used to reattach pool tiles, jets, and lights! A great addition to your toolkit!
What’s great about this putty is that there are lots of instructional videos available online to guide you through the process of fixing the leak or any other issues.
The putty has a white color, which remains once dried. This may be noticeable on some hot tubs depending on the color and location of the leak.
It is generally a clean procedure, although you may get some putty on your fingers. You can clean the putty with a small amount of acetone if it gets on your fingers also; just be sure to wash your hands afterward thoroughly!
Customers were impressed with how quickly the putty set, with some customers finding it set in as little as 30 minutes! They were also impressed with how long it has lasted without the need for further treatment.
The putty withstands heat well, too, making it an excellent choice for those in hotter climates.
If you are after an affordable option to seal leaks and aren’t bothered by the white color, this is the one for you!
- No need to drain the hot tub to use it
- Multiple instructional videos available to help you
- It bonds to stop the leak permanently.
- Easy to use
- White color might be noticeable depending on your hot tub.
Best Hot Tub Leak Sealer Buying Guide
What kind of leak?
Before we get into what to look for from a leak sealer, it’s worth considering what kind of leak a sealant is suitable for! There is no point in wasting your money if it isn’t going to do the job.
Typically, a leak sealer is suitable for small leaks in hot tubs, spas, and pools. If the leak has water loss of less than 3mm per day or the hot tub has a salt level of up to 3000ppm, then a leak sealer is a great option.
If the leak is more extensive, you can still use a leak sealer, but it may take repeat procedures or not be as effective.
It is a much cheaper option than having the hot tub repaired, so it is worth trying it first to see if it works.
For larger leaks or uncertainties, it is always worth consulting with a professional to avoid any disasters.
Solution or patch?
When it comes to leak sealers, two main types dominate the market: a solution or a patch.
Both work to seal the leak and keep the water in your hot tub, but which one is the better option?
Leak sealer solutions are poured into the hot tub in allotted quantities and work to target the leak. Some of these can be poured into the skimmer if you don’t know the leak’s location.
These work well with leaks that are in hard to reach areas. They are often easy to use and will involve minimal effort.
They often require the hot tub to recirculate its water for a few hours or overnight and usually need 2-4 days to solidify to provide a long-lasting seal.
It can sometimes need to be repeated several times to ensure the leak is sealed, which can be time-consuming.
Generally, it is affordable to seal a leak depending on the size and if the solution needs to be reapplied.
A patch works differently and requires a more hands-on approach. The patch will need to cover the leak fully for it to work effectively.
However, this can be tricky if the leak is hard to reach or the hot tub needs to be drained to attach the patch securely.
Patch sealers can be an affordable option but require precision when applying them. Their adhesiveness makes them so great, but they are a nightmare to remove if they are not used correctly.
Not often as popular, but not to be forgotten, is putty. Putty works differently to patches and sealer as it fills the gap water is escaping from, providing a permanent and unbreakable barrier.
Putty is often used by boaters and is an excellent solution that holds up underwater.
However, it can sometimes cause an uneven surface depending on the brand and how much putty is required. This can be rectified by filing down the putty to restore an even surface.
It is a sticky adhesive that will provide a long-lasting seal against leaks, but similar to patches, it needs precision as it is difficult to remove.
When it comes to purchasing leak sealer for your hot tub, there is a wide range of prices. You don’t need to spend a fortune to get a good quality leak sealer that will do the job.
It is worth setting a budget before you begin your search and sticking to it as closely as possible.
As leak sealers are considerably cheaper than hiring a professional to repair your hot tub, you are guaranteed to find a bargain!
Frequently Asked Questions
How long does the leak sealer last?
How long the leak sealer will last will depend on a few factors. One of these is the severity of the leak.
If it is a minor leak, then you can get the sealer to last indefinitely, solving the problem. This is especially true with small leaks on the surface of the hot tub.
Larger leaks or ones which are in difficult locations may not last as long. For example, the sealer could wear away, which means it will need to be resealed.
Larger leaks are also more difficult to seal and can require more product.
The strength of the sealer used will also impact how long it lasts. A more durable and long-lasting sealer will undoubtedly last longer than one which performs poorly.
All sealers in the above list have been praised for their durability, so any of these will provide a long-lasting seal for your hot tubs leak.