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Your Calcium level should be maintained at 200-400 ppm in your hot tub. If levels become too high they can cause calcium deposits on the surface of the spa in even clog some of the smaller lines inside the tub.
Your Calcium level should be maintained at 200-400 ppm in your hot tub. If levels become too high they can cause calcium deposits on the surface of the spa in even clog some of the smaller lines inside the tub.
