Hach Hardness 1, 4 Oz Control Box w/Low Pressure TDS+ Level C Durable white finish blends seamlessly

Durable white finish blends seamlessly with most water softener setups

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you’ll notice improved water flow and consistent water quality from your softener system

Quick Twist & Lock Fittings – Allow for fast

Hach Hardness 1, 4 Oz Control Box w/Low Pressure TDS+ Level C Durable white finish blends seamlesslyHardness 1 is part of Hach's established reagent lineup used in the determination of water hardness, and this 4 oz bottle keeps your testing routine well supplied for the long term. Water hardness, caused primarily by dissolved calcium and magnesium, is one of the single most important parameters in residential and commercial water treatment, because it drives scale formation, reduces soap and detergent efficiency, and directly determines how