Asked on Aug 24, 2018

How to loosen a calcified hose connection?

I am unable to unscrew my outside hose connection. I believe the metal has become calcified. Any ideas on how to remove a stuck hose from its spigot?

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  6 answers
  • Jim S. Hall Jim S. Hall on Aug 24, 2018

    Use some lime calcium removal liquid (CLR or Lime Away). Not the bathroom type but the regular liquid. Spray on hose connection several times and let it set and work. then loose slowly. If that does not work get penetration oil spray and spray and let set. It will be slick at first.

  • Wrap it in a tag covered in vinegar, the highest acid one you can find. Also, there's a cleaning product called CLR (Calcium, lime and rust) that will work. If you can find the one for cleaning toilets, get that one. Its very thick and will cling to the surface longer. Scrub it with a wire brush. You might have to do several applications since the build-up is between surfaces. If all else fails, cut the hose off at the end so you can get between the two surfaces easier

  • Jewellmartin Jewellmartin on Aug 25, 2018

    Amazing how fast that calcium can grow! When I have to coat something in CLR, vinegar, or another cleaner, I also wrap the cloth or faucet in a plastic bag and seal it as best I can with a rubber band. Use a lot of liquid, and let it set at least 8 hours. Best wishes ☺️

  • BOB J BOB J on Aug 26, 2018

    Start off by using a pipe wrench or vice grips to remove hose. Then you can use all the other suggestions to remove calcium.

  • Mirj Mirj on Jun 17, 2022

    Hello..after reading a bunch of stuff online, I had decided that I wasn't going to cut my hose. Its that woven material one(don't know if I could even fix it with a kit) and it's super light. We tried WD40 to no avail. Then I read something about CLR. I had a big jug of it, so I took a bowl with hot water and added a cup or so of CLR in it (the water was pretty bright greeny yellow) and i dunked the whoe nozzle and begining of the hose in the solution. I left it for 20-30 mins, and tapped it with a hammer good a few times, it took a little muscle to twist it apart.. and it loosened up and i was able to separate the two!!!!! It worked for me, and I hope it works for you too!!

  • Mogie Mogie on Jun 17, 2022

    • Try to tighten the stubborn plumbing fixture with a wrench or pliers. Hopefully, this will loosen any calcium or mineral deposits allowing you to easily remove the fixture. If it doesn’t turn, use a bit of force to tap the fixture with a rubber mallet.
    • Next, drain the water from the line and attempt to apply some heat with either a hair dryer or heat gun. Hopefully, the threaded area will expand allowing you to remove the fixture with ease. If it is a metal fixture, you can attempt to use a propane torch (with caution to protect any flammable items around your working area. It is also recommended to have a bucket of water and fire extinguisher nearby).
    • Lastly, a calcium or rust remover may be able to remove hard water build up. Distilled white vinegar is also used often to remove calcium deposits.