Some math help...

Sunnydaze

Silver Supporter
Mar 8, 2021
480
AZ
Pool Size
15000
Surface
Plaster
Chlorine
Liquid Chlorine
Math was never my strong suit. I'd like to calculate how much I'm increasing my TA with fill water.

For example, if i add 200 gallons of fill water which is 130ppm TA, how much does that increase the TA in a 15,000 gallon pool?

Any math whizzes out there?
 

mknauss

Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
50,262
Laughlin, NV
Pool Size
6000
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Math was never my strong suit. I'd like to calculate how much I'm increasing my TA with fill water.

For example, if i add 200 gallons of fill water which is 130ppm TA, how much does that increase the TA in a 15,000 gallon pool?

Any math whizzes out there?
A little. Manage pH.
 

PoolStored

Gold Supporter
TFP Guide
Jun 24, 2021
2,449
Ashtabula, OH
Pool Size
30000
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
CircuPool RJ-60
Assume you have a 15,000 gallon pool, with TA of 100ppm for sake of arguement. Adding 200 gallons of 140ppm

((100 / 1,000,000) x 15,000) = 1.5 ((140/1,000,000) * 200) = .028

Then reverse. Total = 1.528 / 15,200 = .00010053

.00010053 * 1,000,000 = 100.53

It will raise it .53 PPM
 
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