If your tap water or treated and softened house water is much lower in calcium than your pool water and you are allowed to drain and refill in your area no water restrictions lowering by dilution can be the best method to reduce water hardness in swimming pools.
Pool hardness reducer.
Methods to reduce hardness of pool water.
When that happens it s time past time really to reduce the amount of calcium in your pool.
Maintaining pool calcium hardness.
Be sure to wait at least 12 hours before testing the alkalinity again.
If you find that your calcium levels are still high you can adjust the alkalinity of the pool to control calcium hardness.
How to lower calcium hardness in your pool.
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All you need to do is take out some amount of hard water from your pool and replace it with the softened water to balance the hardness of remaining pool water.
I have a 12 000 gallon salt system pool my pool water hardness was 1250 i have been using a product called hydroquest 100 for the past year each 1 pound bag will reduce my hardness 300ppm takes 7 14 days for the product to work effectively with regular usage i have been able to maintain 400 500ppm i am very pleased with the product i have no scale problem etc.
The first method i am describing is the simplest.
In short this method removes the high calcium water from the pool while at the same time the rain refills it with fresh water that contains no calcium.
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If you want to know how to test read testing pool calcium hardness and learn how to raise pool calcium hardness if its low.
For a pool with high calcium levels add 2 3 capfuls of muriatic acid to lower the alkalinity to around 80.
How to reduce pool water hardness alkalinity.
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If left unaddressed for too long you may also notice a buildup of calcium sediment on pool surfaces.
Calcium hardness represents the level of calcium dissolved in your swimming pool water.
If you need a little background information on calcium hardness i explain more about it in another article.
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Don t let all the technical terms and details overwhelm you in simple terms your swimming pool must maintain a stable chlorine level and stay.
One way to reduce calcium hardness is to pump out water using your pool cleaner or vacuum hose.