Aerating to increase pH without interfering with TA

Paxcou

Well-known member
Feb 10, 2020
118
NJ (shore)
This morning after a big storm, the pH was pretty high (9.2). Yesterday was perfect. My TA was 90.
I thought I would lower the pH with muriatic acid below the ideal then increasing it aerating to keep tbe TA to the 70 target.
This afternoon I am where I was hoping to be :

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Test Results 06-28-2020 @ 02:30 PM
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Free Chlorine: 4.5
Combined Chlorine: 0.0
pH: 7.2
Total Alkalinity: 70
Calcium Hardness: 70
CYA: 50
Temperature: 29°C
CSI: -1.11

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Chemical Addition 06-28-2020 @ 09:06 AM
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+ 64 FluidOunces of Baume31

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Test Results 06-28-2020 @ 08:37 AM
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Free Chlorine: 5.5
Combined Chlorine: 0.0
pH: 9.2
CSI: -1.00

I have never aerated the water, I was thinking to use a air compressor. My pool being around 16.000 gallons, how long should I blow the air to go from 7.2 to 7.7 ?
 

Donldson

TFP Expert
LifeTime Supporter
Jun 12, 2009
4,694
NW Ohio
Why mess with it? 7.2 is perfectly acceptable and will likely rise on its own over the next few days.
 

Paxcou

Well-known member
Feb 10, 2020
118
NJ (shore)
It is acceptable in the lower hand. I will leave it however, for next time I am curious to know for a 16000 gallons pool and air compressor how long we should blow to increase the pH by 0.1.
 
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