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💧 Master your water hardness with precision and ease — don’t get left behind!
The Hach Total Hardness Test Kit Model 5-B offers a reliable drop count titration method to measure water hardness as CaCO₃ within a 1-30 gpg range. Featuring approximately 100 tests per kit, it includes two reagents, a measuring tube, square bottle, and scoop, making it a complete, portable solution trusted by professionals across multiple industries. Multilingual instructions ensure usability worldwide.

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