Hard Water Test Strips
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Hard Water Test Strips
$14.00Add to cartIncludes 30 test strips
(3 Packages with 10 test strips in each)
Soft water: 0-51 ppm, 0-3 grains
Moderately hard water: 51-119 ppm, 3-7 grains
Hard water: 119-170 ppm, 7-10 grains
Very hard water: 170-238 ppm, 10-14 grains
Extremely hard water: 238+ ppm, 14+ grains
Water districts measure water hardness in “ppm” (parts per million). Many water softening companies and hard water test kits measure water hardness in “grains”.
grains x 17.1 = ppm
ppm/17.1 = grains
12 grains = 204 ppm
After you install the ShowerStick, follow the instructions on the test strips package and you’ll see your water is now soft. As you take more showers, continue using the test strips and when they show the water is no longer soft, then you should regenerate. If you determine it needs to be regenerated after every 5 showers and you take 5 showers per week then you can make a mental note to do it every Monday for example.