If anyone is near a Menards in the mid-west, Menards has this on sale $2.50/Gal:
http://www.menards.com/main/outdoor/poo ... -10137.htm
MSDS stated it ranges between 12.5 - 15.6% concentration
http://www.menards.com/main/outdoor/poo ... -10137.htm
MSDS stated it ranges between 12.5 - 15.6% concentration