Residential Water Care

Spa Chlorine Concentrate

Controls Bacteria and Algae in Spa Water

Natural Chemistry's Spa Chlorine Concentrate is specifically designed for spas to help control bacteria and algae in spa water.

Spa Chlorine Concentrate™ Image
  • Specifically designed for spas and hot tubs
  • Concentrated formula
  • Controls bacteria and algae in spa water
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Spa Chlorine Concentrate Instructions

Directions for use:

Maintain recommended daily levels as determined by testing kit. Free available chlorine:3.0 - 5.0 ppm, pH: 7.2 - 7.8, Total alkalinity: 100 - 120 ppm, Calcium Hardness: 150 - 200 ppm

Superchlorinate a freshly filled spa by adding 20g of Spa Chlorine Concentrate per 1000 litres of spa water. Maintain water circulation at least 15 minutes before using. Repeat superchlorination procedure after each use period. Maintain proper chlorine residual by adding 10g of Spa Chlorine Concentrate per 1000 litres of spa water, daily or as needed. Persistent foam formation, turbid, or malodorous water are indicators of inadequate sanitizer levels. To correct such conditions, superchlorinate spa water by adding 30g of Spa Chlorine Concentrate per 1000 litres of spa water. Spa Chlorine Concentrate contains stabilizer (cyanuric acid) which will accumulate in spa water. Keep stabilizer within 30 - 100ppm range by dilution with fresh water. For proper sanitization, spa water must be completely drained periodically. The number of days between COMPLETE SPA DRAINAGE is equal to the volume of spa water in litres, divided by 10 times the maximum number of daily spa users. Refill the spa with water and repeat directions for use. Maximum spa water usage temperature is 40ºC. Duration in spa water at 40ºC should not exceed 15 minutes.

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