When pH is too low:

Use HTH® Soda Ash on marbelite pools or HTH® Alkalinity Up on marbelite or fiberglass lined pools.
Follow pack directions, dilute in a bucket of water and pour around the sides of the pool with the pump running.

When pH is too high:

  • Use HTH® Easy Acid or HTH® Dry Acid
  • Don’t add more than 500mL Easy Acid or 2 cups of Dry Acid at a time, carefully pour around the sides of the pool with the pump running.
  • Wait 4hrs before repeating.
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