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How do you lower total alkalinity and pH in swimming pool?

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2008-07-04 03:05:42
2008-07-04 03:05:42

With the addition of muriatic acid.

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You have to know what you are doing. The addition of muriatic acid lowers the pH and total alkalinity in swimming pools.



Alkalinity is not an actual "chemical", however if you are concerned about increasing the alkalinity in your swimming pool, you are perfectly safe. The chemical that increases "total alkalinity" in a swimming pool, is only baking soda. It wil not harm the human body!


To adjust pH and/or lower alkalinity.



Neither. Baking soda raises the Total Alkalinity. Soda ash raises the pH.


Muriatic acid will not lower the Harness(calcium chloride)level in a swimming pool. Dilution is the only effective method to lower the calcium hardness level. Muriatic acid is used to lower the pH and total alkalinity of pool water.



To lower pH (and in combination with aeration to lower total alkalinity),


Reduces alkalinity of swimming pool water (softens hard water)


Concentration of clorine... And.....pH, total alkalinity, calcium hardness, cyanuric acid



Initially, you can't. What you do to lower alkalinity is first lower the pH to under 7.2, but not lower than 6.9. Then you aerate the pool, by creating bubbles with your brush, or by running a water feature, if you have one. This will lower your alkalinity. Maintain this lower pH and aerating until you get your alkalinity where you want it. Then retest your pH. If it is now too low, you add Mule Team Borax, say a 1/4 a cup, and then retest. The borax will raise your pH without raising your alkalinity. See the poolforum.com for more help if needed.


Improperly sanitized water or excessive rainfall can cause a low total alkalinity level in your pool. Low total alkalinity can cause pool staining, itchy and burning eyes and skin, and corrosion of metal parts in the pool.


Calcium deposits --- poor water chemistry - pH and total alkalinity.. adjust both.


A swimming pool is an artificial area to hold water that enables swimming or other leisure activities. Special care must be taken for maintaining swimming pools include filtration, chlorination, pH level, total alkalinity (TA) and calcium hardness. A swimming pool is primarily built and used for fitness and health purposes.


Muriatic Acid is used to lower the pH in swimming pools. It's also used to lower alkalinity. But, there's a way to lower pH and really not touch the alkalinity, and vice versa. pH and alkalinity and opposite sides of the same coin and you need to know how to add the acid with minimal effect on the other side. www.clean-pool-and-spa.com give all the information you need


Yes, to raise total alkalinity. It will not raise pH Total alkalinity (TA) is a buffer for pH. the higher the TA in a pool the harder it is to get the pH to move.


It is used to lower both ph and alkalinity.


Since your question is in the "pool care" section I will assume you mean swimming pool water. In that case, YES, sodium bicarbonate is used to adjust pH and total alkalinity.


the pH can be raised by adding an alkaline chemical such as soda ash (which also raises total alkalinity quite a bit) or borax (which has only a slight effect on total alkalinity), or by aeration of the water to outgas CO2 (which will raise pH with no impact on total alkalinity). Soda ash actually has very little effect on Total Alkalinity. Baking soda is the chemical to use to raise T/A.


Yes it does. Some pool management systems use CO2 to lower the pH of the water. Of course if it is used regularly the Alkalinity will soon fall. Michael


It is not the salt water pool or the salt water that is turning your hair green. It is a poorly maintained pool with a chemical imbalance - pH and total alkalinity out of required parameters.


Muriatic acid is most commonly used in swimming pools to lower the swimming pools PH and to lower the pools alkalinity. You should use caution when working with muriatic acid. Not only can it stain your clothes, pool deck, etc, but if you inhale too much it can cause tissue damage. Always consult a professional when working with chemicals that you are not completely knowledgeable about, some swimming pool chemicals when mixed wrong can have a chemical reaction and catch on fire.


It is not the chlorine that is irritating your eyes it is an imbalance in pH and or total alkalinity. Adjust those to standard requriements and your eye irritation will be reduced.



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