HTH Alkalinity Up helps balance the total alkalinity in your pool water for healthy swimming. Test your water weekly to make sure total alkalinity is between 60 and 120 ppm. If alkalinity is below 60, add HTH Alkalinity Increaser directly to the pool water to raise the alkalinity level and help keep pH levels in range. HTH Alkalinity Increaser is great for all pool types including vinyl-lined pools and salt water systems.
- Raises alkalinity levels in pool water
- Helps keep pH levels in range
- Fast-acting formula can be applied directly to the pool water
- Keep total alkalinity between 60 and 120 ppm for healthy swimming.




















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