Proper Method?

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Joined: Wed 30 May, 2007 21:10

Proper Method?

Postby m4kaveli » Wed 30 May, 2007 21:17

I have a new 27' above ground pool with heater. Which is approx 17,000 gallons. I have a reading of TA about 200 and PH that stays exactly at 7.9. The Cl is always at 0. I have spoken with many pool stores and they all have different methods. From my understanding, I have to lower my TA first before getting the PH down a tad and getting the clorine to register.

So, with the size pool, I was told that I would need about 3.25 gallons of Muriatic Acid to lower the TA 100ppm. I have attempted to put in about 2 gallons of Acid, 1/4 gallons at a time a day, but nothing changes. I normally do it with the filter off and pour it in one spot in the pool.

Am I doing this right or what else can I try?


Postby Guest » Wed 30 May, 2007 21:30

I think you could add a gallon at a time but walk around the pool as you are pouring it in and try not to splash it on the pool walls and leave the pump on.

Postby Guest » Wed 30 May, 2007 21:52

If I were to walk around the pool and leave the filter on, that will lower the PH AND TA right? Also, I have a two speed pump. Usually I leave it on low for 24 hours a day. Would you think that would be adequate or should I turn it on high while adding the acid?

How long after the acid "application" should we wait to go in?

Postby Guest » Wed 30 May, 2007 21:57

I have been reading a few other sites on this subject, and it seems as though the ph is more important than TA, and you should stop adding muriatic acid if the ph reaches 7.2. I have swimmed in my pool a couple hours after adding muriatic acid with the pump on with no problems. I don't think you should ever add chemicals without the pump on.

Postby Guest » Wed 30 May, 2007 22:03

OK, cool. I'll turn the filter on high for a few hours tonight and dump about a gallon or so in see tomorrow morning what we got. Thanks for your reply. I'll update tomorrow

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