The 7-pound HTH PH Minus dry acid adjuster lowers the PH levels in your pool. Use as an alternative to muriatic acid. The active ingredient is sulfuric acid and monosodium salt 91-1/2-94.7-percent.

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Product Review

The 7-pound HTH PH Minus dry acid adjuster lowers the PH levels in your pool. Use as an alternative to muriatic acid. The active ingredient is sulfuric acid and monosodium salt 91-1/2-94.7-percent.

  • Lowers the ph levels in your pool or spa
  • Use as an alternative to muriatic acid.
  • Sulfuric acid and monosodium salt 91.5-94.7-percent.

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