Hi
at
<http://www.poolhelp.com/handouts/oB_A%20Deeper%20Look%20at%20Alkalinity%20Handout.pdf>
there is a pdf on total alkalinity
do you all agree with the content?
thank you
at
<http://www.poolhelp.com/handouts/oB_A%20Deeper%20Look%20at%20Alkalinity%20Handout.pdf>
there is a pdf on total alkalinity
do you all agree with the content?
thank you