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Will the salt water damage the copper pipes in an old pool?

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2010-09-16 02:26:14
2010-09-16 02:26:14

You've got to be kidding with that answer!?!? You have no business in a room where water chemistry is being talked about. 7.0 pH is neutral pH. It won't hurt anything.

On the other hand, the ASM Handbook points out that high TDS water through a heat exchanger will result in impingement and erosion corrosion, which is why all the heat exchangers have started failing since salt systems came along. It's probably the reason that somebody asked this question. And why pool heater warranties have plummeted from 5 years to 1 year since about 2004. What I coincidence! Huh? Imagine that...

Here's a link to the ASM Handbook where you can read all about these kinds of corrosion:

http://books.google.com/books?id=idIWxNnH3iIC&pg=PA999&lpg=PA999&dq=impingement+corrosion&source=bl&ots=7ubxPY3a9C&sig=FPg0JS9xZm-qCPsGmPaEpRN8sTk&hl=en&ei=CIWySc_AJYmcMv25qecE&sa=X&oi=book_result&resnum=10&ct=result#PPA998,M1

AnswerSalt water should not have any major effects on your pool plumbing since the levels of salt are so minimal. The damaging effects to copper plumbing would be from acidic conditions - pH readings of 7.0 or lower and total alkalinity readings below 80 ppm.

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The only negative reaction you might have is from pool water being unbalanced. When the pH is low the water is corrosive and may cause damage to copper pipes. There are no "reactions" with chlorine.

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Bring the level of the pool below the static skimmer level then find the lowest point in your pool pipes and let the water out.

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I see no reason why you would insulate them. When you close your pool for winter you will purge (empty) your pump and pipes. The water in the pool would freeze long before the water will in the pipes under ground.

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If there are no steel pipes used in the pool construction then the iron was present in the water before it was added to the pool.

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Water freezes at 32 degrees Fahrenheit (which is 0 degrees Celsius). The factors which might change the temperature at which your pool pipes may freeze are: - other materials (such as salt) which are dissolved in the water - the rate of flow (if any) of the water through the pipes - the pipe diameter - the insulating properties of the pipes themselves - whether the pipes are buried underground Good luck with your pool!

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"normal" levels of chlorine don't damage plumbing. However abnormal levels of pH will.

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You should remove the antifreeze with a shop vac if possible, antifreeze will not hurt the water, but is just one more thing in the water that you do not need to be there.

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If no water is visible around pump/filter mechanism then there is a crack somewhere in the pool or pipes leading to and from pump/filter.

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Your pool water probably has high copper content. You can remove it with a metal inhibitor.

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If water freezes it expands. so if the water on your pipes turn to ice 0c then you are in danger of cracking pipes.

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Test your water for high levels of copper.

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pour directly into the skimmer basket at the pool

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3% or less copper. Silver kills bacteria, Copper kills algae

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No, salt does not damage the plaster. Improper water balance will.

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You run the risk of the skimmer area being damaged or cracked as well as water in the pipes freezing and bursting pipes.

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It Turns Green. Its not the chlorine, it av=ctually hard metals such as copper

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