TM Desana Max is the smartest heavy duty alkaline beer line cleaner in the world.
During the cleaning it changes color from its original Purple to Green or Yellow if residual organics are still left in the line. If the color changed from its original it's a reliable sign that the lines were still dirty. As simple as that!
Makes 1.5 Gallons of Color Indicating Beer Line Cleaner.
1.9 OZ Package