Determine the hardness of your brewing water yourselve. Easy to use: dip the strip in a sample of water, wait 1 minute and read. Graduation: 0/5/10/15/20/25 °D (German degrees). 10 strips per pack.
Determine the hardness of your brewing water yourselve. Easy to use: dip the strip in a sample of water, wait 1 minute and read. Graduation: 0/5/10/15/20/25 °D (German degrees). 10 strips per pack.
