HTH Alkalinity Increaser Treatment - 5 lb

  • Raises alkalinity levels in swimming pool water
  • Helps keep pH levels in range
  • Fast-acting formula
Availability: In stock


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.

  • Raises alkalinity levels in swimming pool water
  • Helps keep pH levels in range
  • Fast-acting formula can be applied directly to the swimming pool water
  • Keep total alkalinity between 60 and 120 ppm for healthy swimming
Keep Water Balanced with HTH Alkalinity Up
Raises Alkalinity

HTH Alkalinity Up raises the alkalinity in your pool’s water. The ideal alkalinity range is between 60 – 120 ppm.

Allows Sanitizers to Work Properly

If alkalinity is too low, pH levels will fluctuate excessively. Maintaining proper pH allows your sanitizer to work more effectively.

Improves Comfort of Swimmers

If the pool water has alkalinity that’s too low or too high, eye and skin irritation can occur. Keep everyone comfortable with properly balanced water.

How to Test, Balance and Shock Pool Water Weekly
Test Water Levels

When your pool is out of balance, your sanitizers can be less effective. Unbalanced water can also cause skin and eye irritation, and it can even damage the pool’s surfaces, structure or equipment. Use the HTH Multi-purpose 6-Way Test Strips to check alkalinity, pH and chlorine levels two to three times a week.

Balance Alkalinity & pH Levels

To get the most out of your sanitizer, take care to balance your pool water. First, make sure alkalinity levels are between 60 – 120 ppm. Use HTH Alkalinity Up to raise alkalinity if needed. Next, balance the pH – ideal range is 7.2 – 7.8. Use HTH pH Up to raise the pH and HTH pH Down to decrease the pH.

Use HTH Super Shock Treatment

Kill unwanted bacteria and algae and give your pool the boost of chlorine it needs to keep your water clean and clear. This multi-purpose product sanitizes, clarifies, shock treats and helps prevent algae your pool. It’s easy to use, and it won’t over-stabilize your pool.

  • Capacity: 5 lb


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