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Spa Leak Sealer for Hot Tubs
Spa Leak Sealer for Hot Tubs
Spa Leak Sealer for Hot Tubs
Spa Leak Sealer for Hot Tubs
Spa Leak Sealer for Hot Tubs

Spa Leak Sealer for Hot Tubs

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Advanced Spa Leak Sealer

Have a leak in your hot tub but can't find it? AquaDoc's advanced leak sealer formula helps to fix minor hot tub leaks and cracks.

Stops leaks within just 24 hours!

Our Leak Sealer can be a Spa Saver

  • Seeks out even the hardest to find cracks and leaks
  • Helps repair minor scratches, cracks, and leaks
  • Works fast - seals hot tub leaks within 24 hours

How to remove minor leaks & cracks in your Hot Tub

  1. Turn pump off.
  2. Remove cartridge or filter grids to avoid product from going past the filtration system.
  3. If you have identified the leak, simply pour the recommended dosage directly into the water at the area of the leak. If the leak is unidentified, pour the recommended dosage to into the skimmer.
  4. Wait 30 minutes after application, then turn pump on and run the pump for 8 hours.
  5. After 8 hours, check spa to see if it is still losing water. If it's still losing water, apply a second application within the next 24 hours.
  6. Replace filter grids or cartridges after 24 hours and resume normal filtration.
  7. Wait at least 24 hours before anyone enters the hot tub.

Dosage: 500 gallons - 1 oz; 750 gallons - 1.5 oz; 1,000 gallons - 2 oz.

Trust in AquaDoc

You can trust that our pool and spa chemicals are held to the highest quality standards.

  • Proudly made in the USA
  • Advanced, Professional Grade formula
  • 100% Money Back Guarantee

Order with confidence

  • Satisfaction guarantee! If our products don't solve your (spa related) headaches, contact us for a 100% refund. 
  • Free shipping on all orders! We're like you, we don't like shipping charges either - so we got rid of them.  

Frequently asked Calcium Increaser Questions

Q: Is it possible to over treat?
A: Yes, we should it is possible to clog nozzles or valves if not used properly or if over applied. It can also coat heater or pumps or clog filters if too much is used. Make sure you follow directions on the bottle.

    Q: Where is AquaDoc's Calcium increaser made?
    A: Our product is proudly made, packaged, and shipped from the USA.

    Customer Reviews
    5.0 Based on 1 Reviews
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    Filter Reviews:
    Ryan M.
    United States United States
    Great leak sealer for hot tubs

    This stuff really works for sealing up leaks in hot tubs. Was happy with the product and shipping.