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.
Sold out
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
Sold out
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Series 1 Water Hardness Test Strip

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The experience
A single-use water hardness test strip designed for use with Espresso Series 1 to measure mineral levels during setup and maintenance.