HTH 1.25 lbs. Alkalinity Up Balancer

HTH Alkalinity Up raises total alkalinity in swimming pool water. 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 Up directly to the pool water to raise the alkalinity level and help keep pH levels in range. HTH Alkalinity Up is great for all pool types including vinyl-lined pools and salt water systems.