HUM Water Hardness Test Kit

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HUM Water Hardness Test Kit Quickly check your water hardness at home with this easy-to-use test strip kit. Simply dip a strip, compare the color to the included chart, and get a c lear reading in minutes. ✔️ Includes 5 water hardness test strips✔️ Comes with a color comparison chart✔️ Simple, easy-to-use testing process✔️ Great for checking hardness before choosing treatment options Show more