If you are going to MACNA then you might want to visit the GHL booth for a look at the KH Director. Learn more about it here.
http://aquanerd.com/2017/08/ghl-to-release-kh-director-to-monitor-and-dose-alk.html
http://aquanerd.com/2017/08/ghl-to-release-kh-director-to-monitor-and-dose-alk.html
