Overview
This hardness test by Mavea is not only perfect for testing the total hardness in your tap water but also the effectiveness of filters such as Brita.Directions:
Fill the measuring tube with your tap water up to the 5 ml mark. Then add indicator solution drop-by-drop, gently mixing after each drop until the color changes from purple to yellow.
Protect your investment: test your water often.
Warranty Information
Currently no warranty information for this product. Please contact us for more information.
