Muriatic acid 31.35% same as 31.45% - 20º Baume?

AviatorBimmer

Well-known member
Mar 29, 2021
79
Florida
Pool Size
14300
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
CircuPool RJ-30 Plus
I was sold a gallon of Muriatic Acid at my local mom and pop pool store and it says on the label MURIATIC ACID HYDROCHLORIC ACID 31.45%

When I go to Pool Math, the only 31.45% reference it makes does not say muriatic acid but "31.35% same as 31.45% - 20º Baume".

The only options that say Muriatic Acid are only for 14.5% and 29%.
I'm somewhat confused on which option to choose so I can add the correct amount Pool Math suggests.
 

mknauss

Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
39,550
Laughlin, NV
Pool Size
6000
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Not enough room to include the 31.45%, 20 Baume, and Muriatic Acid in one drop down selection in the app. So they left out Muriatic Acid.
 
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