Reduces Alkalinity in Spa Water

SPA ALKA – lowers alkalinity and pH in spa water. Its liquid formula is specifically designed for spas. Dissolves immediately for rapid results with no residue.


  • Fast-acting concentrated liquid formula
  • Improves bather comfort

Format: 1 L

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SKU: 2907981 Categories: ,


Maintain recommended daily levels as determined by testing kit:

pH: 7.2 – 7.8

Total alkalinity: 80 – 120 ppm

Check alkalinity levels regularly with a testing kit and make necessary adjustments.

Pour SPA ALKA – directly over the surface of spa water.

  • Add product as needed according to the application method and recommended dosage.
  • Wait 15 minutes and retest pH and alkalinity.
  • Repeat treatment until recommended levels are reached.
  • Wait 10 minutes before bathing.

When levels exceed recommended values: Add 60 mL of SPA ALKA – per 1,000 L of spa water to decrease alkalinity by around 14 ppm and pH by around 0.4.

SPA SIZE1,000 L1,500 L
TO DECREASE ALKALINITY BY 14 ppm AND pH BY 0.4 ppm60 mL90 mL

  • Spa must be running before adding SPA ALKA -.
  • DO NOT apply the product when people are in the spa.



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