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Alfred E. Neuman

plumbing

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the boss

I do a lot of plumbing for a living.

Over there who knows? But in the US run into low pressure quit often, people always think the pipes are clogged. Usually not the case. In the case of slow filling toilets or slow faucets disconnect the supply from the fixture and see if there is a increase in flow. Generally the stoppage occurs at the smallest part of the system, such as a valve, filter ,  flow restrictor or even the aireator on the faucet.

      Plus test water pressure at the supply point and then again at the source of usage. Could have just low water pressure to begin with and there will be no solution besides patience. If pressure is low and pipe size to small there is only one remedy, and it ain't Drano. Putting chemicals in or pressurizing the system could cause failure of components or catastrophe! If you damage inaccessible pipes, ect.

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goggleye

Actually, if you have lime build-up in your lines, you can put muriatic acid into an almost empty tank, and then let it fill the pipes so it can dissolve the lime. Muriatic acid is just a dilute form of hydrochloric acid. The more concentrated the muriatic acid, the quicker it will dissolve the lime. It will also kill algae and mold if they exist in your lines. It will not leave any residue in the lines after it is rinsed out. Certainly you should ensure that you run a few tanks worth of water through the lines before you use the water for anything but flushing the toilet, but after that the water is at least as safe as it was before your cleansing process. Draino has some really nasty chemicals in it that may not rinse out so easily.

 

When building here, people should really consider using larger diameter pipes. My house has one-inch polyethylene water pipes throughout. All joints are heat-welded, so there should never be any plumbing problems.

 

Headshot is dead on right  - Muriatic (Hydrochoric) is the best choice   HCl + CaCO3 ->  CaCl2 + H2O + CO2    Leave a tap open to let the pressure off from the carbon dioxide gas

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SkyMan

 

HCl + CaCO3 -> CaCl2 + H2O + CO2

 

2HCl + CaCO3 -> CaCl2 + H2O + CO2

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Jim in Cebu

Here's an article about uses and dangers of muriatic acid -- http://www.naturalhandyman.com/iip/infxtra/infmur.html

 

Its cautions include:

[begin quote]

 

 

3) You must have adequate ventilation...  Use a fan to bring fresh air to the work area if necessary. Muriatic acid is nonflammable, but the vapors are highly corrosive and irritating.  Also, there is always the chance of a chemical reaction that will produce hydrogen gas, which is extremely flammable.  Remember the tragic explosion of the hydrogen-filled zeppelin Hindenburg?

 

4) Using muriatic acid indoors is not recommended, since the corrosive vapors can begin chemical reactions in metals that are difficult to stop, leading to long-term, permanent damage in both appliances and electronics!

 

[end quote]

 

Regarding #4, a

our relative used muriatic acid to clean the toilets in our apartment (while we were out of town and they were housesitting).  The fumes tarnished and/or pitted all of the "chrome"/steel/metal towel bars, racks, and other metal objects in the bathroom.  Towel bars that had towels on them at the time, remained shiny where the towels were, but the rest of the bar was tarnished and the holders that connect them to the walls were badly pitted.  Some of the racks and shelves for small bottles, etc., were so badly corroded that they had to be replaced when we returned.   (However, the toilets were really clean.)

 

Although I realize that the OP (original post) was about cleaning out water pipes, I thought it might be helpful to share these warnings and experiences about those that are considering muriatic acid for various cleaning projects since its use was mentioned in the thread.

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goggleye

2HCl + CaCO3 -> CaCl2 + H2O + CO2

LOL   good job on maintaining the law of conservation of matter  - Lavoisier would be so proud of you  :-)

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the boss

Here's an article about uses and dangers of muriatic acid -- http://www.naturalhandyman.com/iip/infxtra/infmur.html

 

Its cautions include:

[begin quote]

 

 

3) You must have adequate ventilation...  Use a fan to bring fresh air to the work area if necessary. Muriatic acid is nonflammable, but the vapors are highly corrosive and irritating.  Also, there is always the chance of a chemical reaction that will produce hydrogen gas, which is extremely flammable.  Remember the tragic explosion of the hydrogen-filled zeppelin Hindenburg?

 

4) Using muriatic acid indoors is not recommended, since the corrosive vapors can begin chemical reactions in metals that are difficult to stop, leading to long-term, permanent damage in both appliances and electronics!

 

[end quote]

 

Regarding #4, a

our relative used muriatic acid to clean the toilets in our apartment (while we were out of town and they were housesitting).  The fumes tarnished and/or pitted all of the "chrome"/steel/metal towel bars, racks, and other metal objects in the bathroom.  Towel bars that had towels on them at the time, remained shiny where the towels were, but the rest of the bar was tarnished and the holders that connect them to the walls were badly pitted.  Some of the racks and shelves for small bottles, etc., were so badly corroded that they had to be replaced when we returned.   (However, the toilets were really clean.)

 

Although I realize that the OP (original post) was about cleaning out water pipes, I thought it might be helpful to share these warnings and experiences about those that are considering muriatic acid for various cleaning projects since its use was mentioned in the thread.

Let alone what happens when it comes in contact the living organisms.

the stuff is deadly! :excl:  :excl:  :excl:

Seriously you could hurt yourself or be blinded by it.

it is something not to be taken lightly.

Edited by the boss

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easy44

Never use muriatic in vitreous china fixtures such as a toilet.  It will eat away at the surface of the china resulting in a rough surface.  Part of the charm of vitreous china is that it is very slick and the shit just flushes away.  After muriatic, although it will look nice and white, you will start experiencing frequent blockages.  Don't ask me how I know.

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