Pool Care and Cleaning
Baking Soda (sodium bicarbonate)

Can you use Arm and Hammer baking soda in your swimming pool?


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Wiki User
2014-07-02 18:16:12
2014-07-02 18:16:12

You can (soda ash is used to adjust PH) but your pool supply store may have a cheaper alternative.

I used "Alkalinity Increaser" for a year or two until I noticed that the sole ingredient is baking soda. I have heard since that the only difference is that the kind you buy in the grocery store is finer than the pool version (which is good because it's easier to dissolve). I also buy my baking soda at a wholesale club, where it costs a fraction of "Alkalinity Increaser" at a pool store.

I agree. I needed to add 25 pounds of pH plus to my pool. At the pool supply it was $12.50 for 4 pounds. At my local Dollar General, it was 50 cents a pound. True, I had to buy 25 boxes but my son had fun ripping them open and throwing the baking soda all over the pool! It usually dissolved before it hit the bottom!

I am told by my local pool, expert that using baking soda in place of 1 or 2 pounds of Alkalinity Up is OK but for larger amounts, it may make the water cloudy because baking soda has larger granules than Alkalinity Up.


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Besides baking, it is a great way to raise the Ph in your swimming pool.

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

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100,000 gallon swimming pool requires 50 pounds of baking soda to maintain ph. what will be the initial molarity of baking soda in the pool water?

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keep scooping, backwashing, scooping, backwashing. It has taken us all week to get rid of arm and hammer laundry deterent from our pool. Thought it was baking soda.

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Baking soda can be used to control acidity in swimming pools. Baking soda controls the Total Alkalinity Soda ash raises the pH or reduces the acidity.

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