📦 Free shipping on orders over $99 🚚

Gozney Summer Sales Event
ends in

Gozney Summer Sales Event ends in

  • days
  • Hours
  • Minutes
  • Seconds

GLB SuperSonic - 1 lb.

SKU: 71442A

This product will be available soon!

GLB SuperSonic - 1 lb.


Meet the GLB SuperSonic, the one product that has a bunch of different uses. SuperSonic is designed to sanitize, clarify, prevent algae, and shock treat your pool. 

What’s in the Box

  • 1 x GLB SuperSonic - 1 lb.


  • Calcium Hypochlorite: 73%
  • Other Ingredients: 27%
  • Available Chlorine: 70%


  1. Make sure pool water pH range is between 7.2 - 7.8 with alkalinity at a minimum of 100 ppm.
  2. Follow the stabilization instructions on label. 30 ppm of stabilizer is needed. After regular use of GLB Chlorinating Granular will provide any make up stabilizer.  
  3. Shock treat your pool water using 16oz of Chlorine Granular per 10,000 gallons of water. Proper chlorine level should read between 1 to 1.5 ppm.



Most products purchased from our online shop within the last 30 days can be returned.

The following items are non-returnable:

  • Gift cards
  • Electronics
  • Pumps / Motors
  • Hot Tubs
  • Closeouts
  • See return policy below for made-to-order/special-order return eligibility.