pH bookmark (bundle of 10)
$3.00
Water-resistant book mark displays spectrum of color blocks associated with different pH values.
Convenient to have on hand during demonstrations so each guest can see and understand the significance of the acidity of so many of the common beverages consumed, especially when compared to the alkalinity of W-R water!
Convenient to have on hand during demonstrations so each guest can see and understand the significance of the acidity of so many of the common beverages consumed, especially when compared to the alkalinity of W-R water!