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Kem-Tek pH Minus - Dry Acid Pool pH Reducer - 7 lb

Availability: In Stock

Regular Price: $21.99

Sale Price $14.99

You Save: $7.00  (31%)

Quick Overview

Kem-Tek 7 lb Granular pH Minus is a dry acid pH decreaser that is easier to use, much safer and more convenient than using liquid muriatic acid. Maintaining the correct pH ensures that your sanitizer (Chlorine or Bromine) is working effectively in your pool.

Your pool's pH is a measure of how acidic or alkaline the water is, high pH (basic) may cause scale formation and discoloration of pool walls, cloudy water, inefficient filtration, or eye irritation.

Free Kem-Tek Water Testing App Pool Dosage Chart Troubleshooting Guide



  • pH Minus
  • 94.5% Sodium Bisulfate
  • Decreases pH in pool water
  • Helps stop cloudy water
  • Granular formula
  • Safer, easier and more convenient to use than liquid muriatic acid
  • Lowers pH to recommended range of 7.2-7.6 when used as directed
  • High pH can cause scale, cloudy water, eye irritation & inefficient filtration
  • pH in the proper range will cause your chlorine to work effectively
  • Also can be pre-dissolved in water for use in all vinyl pools
  • 7 lb container
Additional Information
Delivery Time 2-5 Business Days
Manufacturer Kem-Tek
Technical Specs

MSDS Sheet

Size: 7 lb
94.5% Sodium Bisulfate

SKU KTK-50-0010
Manufacturer Part # 26399047801
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