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Author Topic: Ph-minus  (Read 5756 times)

wilfried

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Ph-minus
« on: December 16, 2006, 07:14:19 am »
Hello

To diminue the PH-level in my spa I bought PH-minus for a swimming pool.
Is ther a difference between PH-minus foor swimming pools and PH-minus for a spa ?
Or is this all the same quality ?

Bref : can I use a ph-minus for a swimming ppol also in a spa ?

Thks for the answer

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Ph-minus
« on: December 16, 2006, 07:14:19 am »

Brewman

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Re: Ph-minus
« Reply #1 on: December 16, 2006, 10:35:39 am »
I suspect that it's the same stuff.  
Just to be sure, what is the ingredient(s) listed on the package?  


Brewman

tony

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Re: Ph-minus
« Reply #2 on: December 16, 2006, 11:07:21 am »
Quote
Hello

To diminue the PH-level in my spa I bought PH-minus for a swimming pool.
Is ther a difference between PH-minus foor swimming pools and PH-minus for a spa ?
Or is this all the same quality ?

Bref : can I use a ph-minus for a swimming ppol also in a spa ?

Thks for the answer


Your pH minus for a pool should be dry acid, same as for your spa.  In the very rare instance that I might need pH minus for my spa, I use the product I use in my pool.

Reese

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Re: Ph-minus
« Reply #3 on: December 16, 2006, 12:23:01 pm »
All pH minus products are some form of acid.  Usually, pool supplies are just bigger containers.  If it is a dry, granular product it likely lists sodium bisulfate as the active ingredient.  If it is a liquid, it might be hydrocloric acid.  Although someone posted a valid concern regarding the use of chemicals for a purpose other than what the label specifies, either will bring down your pH and Alkalinity.  Just be sure you calculate the correct dose for the size of  your tub.

bosco0633

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Re: Ph-minus
« Reply #4 on: December 16, 2006, 02:51:44 pm »
what causes the ph to creep up in a tub??

tony

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Re: Ph-minus
« Reply #5 on: December 16, 2006, 02:59:05 pm »
Quote
what causes the ph to creep up in a tub??

If the sanitizer you use or an additive has a high pH, it will draw pH up.  For instance, if you used lithium, a fast dissolving granular chlorine with a pH of about 10, ti would raise PH.

Anytime someone enters the water, their own chemistry as well as any lotions, soaps, etc will affect the pH of water.  Anything that goes in the water will be part of the makeup of the water.

bosco0633

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Re: Ph-minus
« Reply #6 on: December 16, 2006, 03:05:31 pm »
nice to know thanks

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Re: Ph-minus
« Reply #6 on: December 16, 2006, 03:05:31 pm »

 

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