Master Clear - Hardness Up 32 oz.

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Master Clear - Hardness Up 32 oz. Protect your spa and hot tub equipment with Master Clear Hardness Up. This fast-dissolving calcium increaser raises water hardness to proper level s, helping prevent corrosion, etching, and damage to heaters, pumps, and surfaces. Proper calcium hardness also improves water clarity and enhances overall water balance. Easy to apply and safe for all spas and hot tubs, Master Clear Hardness Up supports longer equipment life and a more comfortable, well-balanced soaking experience. Compatible with Master Clear Salt System by Master Spas. Show more