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TWC 1.02 – Hardness

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Hardness The terms general hardness (GH), total hardness, and hardness are synonymous. (Recall that hard water is high in dissolved minerals.) At BH, we tend to use the abbreviation ‘GH’ because this is the established standard amongst manufacturers of water titration kits. You will need these inexpensive dropper kits in order to monitor your water’s […]

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