jsrussell Posted February 12, 2008 Report Share Posted February 12, 2008 please disregard question, I found the answer, as always, thanks spa geek. Aeration! Quote Link to comment Share on other sites More sharing options...
nsin Posted February 16, 2008 Report Share Posted February 16, 2008 What was the answer? Quote Link to comment Share on other sites More sharing options...
chem geek Posted February 16, 2008 Report Share Posted February 16, 2008 What was the answer? The procedure is described in this post where the key is aeration at low pH. TA represents mostly carbonates so you want to remove the over-carbonation from the water as quickly as possible. Acidic conditions and aeration accelerate this process of driving carbon dioxide out of the water. So the procedure starts by lowering the pH, then aerating (which makes the pH go up) and adding more acid to keep the pH low and continuing to aerate, then when the TA is where you want you stop adding acid and keep aerating until the pH rises to where you want and then you stop aerating. Richard Quote Link to comment Share on other sites More sharing options...
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