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Marlig Industries Inc.


Fix A Leak Sealant for pool and spa leaks.

Leak Sealers For Pools, Spas, Swim Spas and Hot Tubs

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Please browse through this page for information on the selected topic or source. Additional information and details can be obtained by visiting the Marlig Industries, Inc. Website. Click here:

When Used Under The Same Type of Pool or Spa Leak Conditions . . .

FIX A LEAK Outperforms The Rest!!!

Fix A Leak for leaky pools and spas
  • A concentrated, blended, proprietary formula.
  • Seals leaks in al types of materials.
  • Seals leaks in the walls, floor or shell.
  • Seals leaks in suction lines.
  • Works well, throughout the plumbing system.
  • Helps seal holes as large as 1/8" in diameter.
  • Forms a durable,  long-lasting seal.
  • Pools:  1 quart for up to 22,000 gallons or 83,600 liters.
  • Spas or Hot Tub:  use 4 oz. per 250 gallons or 950 liters.
  • Simple, Easy-To-Follow instructions.
  • Hardens and cures in approximately 48 hours.
  • Helps avoid leak detection service, in many cases.
  • Tested in all types of weather conditions.
  • Proven to be effective in sealing leaks, for 30+ years.
  • Specializing in leak repair since 1980.
  • Patented proprietary formulation.
  • Available in 8 oz. Spa size and 1 quart size Pool size.
  • Can help avoid costly repair excavations.
  • Can seal leaks in Geo-Thermal systems.
  • Will not harm Salt Chlorine Generators, Heaters, Pumps or Filters.

Click Here For Some Additional Fix A Leak Directions

Read some Pool  Q and A         Read some Spa Q and A.

Click here to place an order for Fix A Leak.

How Fix A Leak is used.
Suction Line Leaks
  • Shake well before using!
  • Bypass sand or DE filter or remove the filter cartridge, before adding the product.
  • Suction leaks are usually recognized by air mixed with the water at the return fittings.
  • In most cases, suction lines only leak water when the filter pump is shut off. Normal circulation will simply draw FIX-A-LEAK away from the leak and, if the pump is shut off, the material will simply not get to the leak. You must reverse the flow of water, to force the material through the leak under pressure. Preferably at 5-10 psi, until the leak has stopped. When this has been achieved, gradually restore normal pressure to insure a proper seal.
  • VERY IMPORTANT: After sealing a suction leak "it" is a must to leave suction off the repaired line for no less than 48 hrs. FIX-A-LEAK requires time to cure and harden. The area must completely dry out, in order for a proper cure to be made.

    Click Here For Some Additional Fix A Leak Directions

Miscellaneous Leaks

  • Shake well before using!
  • Bypass sand or DE filter or remove the filter cartridge, before adding the product.
  • Operate the pump, in order to circulate the water and help keep the product suspended.
  • Occasionally, stir up the pool floor, using a brush, as the product is heavy and will tend to sink to the bottom.
  • If you suspect a leak around fittings inside the pool (such as return fittings) lights, skimmers or steps, etc. Shut down pump.
  • Apply FIX-A-LEAK directly to the leak, using a squeeze bottle, similar to a ketchup bottle.
  • After the leak stops, allow a minimum of 48 hrs. to cure before starting up filtration.

Spa or Hot Tub Leaks

  • Shake well before using!
  • Bypass Filter or remove the filter cartridge, before adding FIX-A-LEAK to water.
  • With pump running, add FIX-A-LEAK slowly through skimmer or in front of any other suction intake.
  • This product is very heavy and will sink to the lowest point rather quickly. It must be stirred back into suspension every 4-6 hours, while maintaining the circulation.
  • Continue to recirculate water, until the leak has stopped.
  • After the leak has stopped, give it the proper time to cure (24-48 hours). Then, you may return to normal filtration.
  • Treatment can be repeated, if necessary.
  • Never allow cartridges or DE elements to dry before they are cleaned. Rinse clean with water.
  • If your spa is a foam insulated type and has been leaking for a long period of time, it is advisable to drain your tub, after determining that the leak has stopped. Thoroughly, wipe down the spa with a soft, non-abrasive wet cloth. Allow to dry for 4-5 days, in order for the leak sealer to properly cure.

Sealing Leaks in Geo-Thermal Systems Applications

  • Fix A Leak has been successfully used to seal leaks in Geo-Thermal heating and cooling systems.
  • To read an instructional Testimonial Letter:  CLICK HERE

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Marlig Industries:  manufacturers of Fix A Leak

Phone:  905-374-2560 ● Fax: 905-356-6807


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