Quantity discount
Stelzner Test sticks
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More than 10 pieces in stock
More than 10 pieces in stock
Free shipping starting at 50.–
At a Glance
Water Hardness Testing
Stelzner test strips provide an easy way to determine water hardness for plant irrigation.
Appliance Configuration
The product helps determine the required settings for dishwashers, coffee machines, and espresso makers.
Plastic Construction
The plastic material allows for straightforward and easy handling during measurements.
In Detail
30-day right of return if unopened
24 Months Warranty (Bring-in)
1 additional offer