- Makes the list when
- Test strips that read water hardness.
- Ordered by
- Maker (lowest first)
- Listed
- The top 7 of 7 products in our catalog that meet the rule.
#2 · Maker: On The Go
On The Go 481108 Hardness Test Strips
On The Go: model 481108, 50 tests, range 0-1000ppm.
#3 · Maker: Bartovation
Bartovation PWQ11V100 Hardness Test Strips
Bartovation: model PWQ11V100, 100 tests, range 0-500 ppm.
#4 · Maker: LaMotte
LaMotte 2981 Hardness Test Strips
LaMotte: model 2981, 50 tests, range 0-180ppm.
#5 · Maker: Hach
Hach 2793844 Hardness Test Strips
Hach: model 2793844, 250 tests, range 0-425 mg/L.
How to choose between them
Strips give a band in seconds; a drop-count kit gives an exact number in grains per gallon.
Convert mg/L or ppm with the hardness converter.
Rankings follow the rule and order stated above, using makers' published specifications and listed prices. How we research · Disclosure






