A white Fellow Series 1 Water Hardness Test Strip with text and a black mineral levels chart.
A white Fellow Series 1 Water Hardness Test Strip with text and a black mineral levels chart.
A white Fellow Series 1 Water Hardness Test Strip with text and a black mineral levels chart.

Series 1 Water Hardness Test Strip

Regular price $3.50
In Stock + Ready to Ship
The experience
A single-use water hardness test strip designed for use with Espresso Series 1 to measure mineral levels during setup and maintenance.