Water Hardness Test Strips 50/Pack

Water hardness test strips measure scale forming calcium carbonate from 0-500ppm (30 grains); only $12.95 Pk/50, cheaper than an unneeded water softener.

SKU: 33813-Hard
Water hardness test strips, 0-500ppm (0-30gpg) ~50/pk

PRICE BREAKS - The more you buy, the more you save.
Quantity1+2+ 3+ 
Price for each$12.95USD$12.70USD$12.45USD
Your savings- 1.93%3.86%

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Water hardness is measured in ppm (parts per million) or grains per gallon. Our water hardness test strips can measure 0-50-125-250-500ppm or 0-3-7-15-30 grains per gallon.

Hard water is safe to drink but even small amounts can be an annoying since it can leave an unsightly film on glass. Excessive water hardness on the other hand can be a major nuisance and in extreme cases can clog pipes or ruin your dishwasher. The appearance of film on glass or in standing water is usually the first sign of a problem. Use these strips to confirm the degree of hardness in your water and whether a water softener is needed or needs replacing; it may not be as bad as you think (i.e.>0 but <50ppm).

More importantly, it can help avoid an unnecessary expense. All water has a least some dissolved minerals and unscrupulous water softener companies will "prove" you have a problem by first putting drops in their "control" (distilled) water sample that will show no change but will elicit a reaction when added to your tap water. What you are seeing is a harmless iron precipitate but the effect can be dramatic.

These strips can determine calcium levels in milk (usually done with cows or horses) but it is recommended you dilute the milk first with deionized water by least a factor of 10X. There can be interference from the fat/caseinate that could give incorrect readings if this is not done.

Note(1): The number of strips per pack or vial is approximately 50.

Note(2): If bag is kept sealed & stored in a cool dry place, they have a shelf life of at least 2 years.