How do I fix a leak in my hot tub?
Sarah Garza
Updated on February 27, 2026
Item Details
- First determine water loss in a 24 hour period.
- Fill to original level, mark water line.
- Remove all cartridges or filtering devices.
- Slowly add Fix A Leak with pump running through skimmer.
- Recirculate for 6-8 hours.
- Check water level the following day.
- If level remains the same the leak has stopped.
How do I find a puncture in my hot tub?
First off, give the walls of your hot tub a wipe down and then inflate the hot tub until it’s good and firm. Look for the soapy mixture to start bubbling and that’s where the puncture is.
How do I know if my hot tub has a leak?
Hot tubs do lose an inch or two of water weekly depending on the water temperature and air temperature. However, you can tell your hot tub is leaking when you notice more than a 2-inch drop over 7 days, or if you see water pooling around the base of the hot tub, especially when the jets are on.
How much does it cost to fix a leak in a hot tub?
The cost for repairing the spa leak, again depends on where and what is leaking, but in most cases spa leaks are fixed for under $500. Larger leaks buried deep in foam, or under the spa, are more likely $1000, and large scale freeze damage could be two thousand, or more.
Why is my hot tub leaking from the bottom?
Why is my hot tub leaking from the bottom? Ultimately gravity will cause most hot tub leaks to pool on the ground at the bottom. The source of the leak can still be from the jets, a cracked PVC pipe, or a worn rubber gasket in the heater unions. But the leak could also be a crack in the shell or a loose light fixture.
Do inflatable hot tubs puncture easily?
Handle carefully and reduce puncture risk – Think carefully about what you place your inflatable hot tub on. It should be flat, even and level and free from sharp stones or protrusions. This tends to sit at the bottom of the hot tub and can easily get worked into the material.
Does Flex Seal work on hot tubs?
Flex Seal can be used for several types of leakages in hot tubs. This sealant can be used effectively to plug holes in the sides, top or bottom of the hot tub as it can be used on practically any material including the PVC of the sides of the tub and the vinyl of the top.
Is it worth fixing my hot tub?
A hot tub is not worth fixing when the cost of the repair is going to be more than the value of the hot tub itself. An old hot tub will be significantly less energy efficient than a new one and you could potentially save a lot of money over a period of time with a more energy-efficient hot tub.
How can I tell if my hot tub is leaking?
Are inflatable hot tubs a waste of money?
These hot tubs are, to be completely honest, inferior models and a waste of money. So even though you might see an inflatable hot tub for sale that costs less than a branded one, it could end up causing you a lot of headaches and regrets.
How can I diagnose a leak in my spa?
Here are 6 different ways to diagnose the leaks in your spa: • Disconnect the power and inspect the equipment section of the spa. If there is a leakage underneath, it indicates a pump seal failure. If there is a leak detected, install a new seal or replace the pump as required.
How can I tell if my hot tub is leaking water?
Here are the steps that will help you to find a hot tub leak: Turn off the power connection to the hot tub. If water leak seems to be at the underside, remove side panels or insulation. It might be helpful to use a flashlight to see the equipment compartment and examine spa pump to check if it’s wet.
How to fix a leak in an inflatable hot tub?
How to find a leak in an inflatable hot tub. Source: Youtube. The easiest way to repair an inflatable hot tub is to use a silicone tape / seal or repair kit for the hot tub. Silicone is a quick and inexpensive way to repair a puncture in an inflatable hot tub, and many have it in their toolbox.
Where does a hot tub leak come from?
Some of the most common places for hot tub leakage are the pump, union fittings, heater, connections, valves, and shell. It obviously isn’t the complete list but to start fixing the hot tub leaking it is a good point to start looking because mostly hot tub leak repair efforts should start from these places.
