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How much chlorine is needed for a 5-person spa hot tub?

· It is recommended that users add approximately 60-85 grams of dichlorodichlorobenzene granules (based on a 1,300 liter water volume) before daily use; · If using trichlorodichlorobenzene or liquid chlorine, recalculate based on the available chlorine content; · Maintain a free chlorine concentration of 3-5 ppm is ideal; · Test and refill as needed after each use.

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