Hanna Alkalinity Checker gets video treatment

[youtube width=”640″ height=”505″]http://www.youtube.com/watch?v=VypQ_vPvVQg[/youtube] Ever wonder how exactly the Hanna Alkalinity Checker works? The folks at Hanna have┬áreleased a simple video tutorial putting the handy little product through a test. The Checker line is an affordable way to get a digital,…