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Rx Clear® Swimming Pool 73% Calcium Hypochlorite Mega Chlorine Shock - 1 lb Bags (Choose Quantity)

Our Rx Clear® 73% Calcium Hypochlorite is a highly effective, multi-purpose product that stabilizes, clarifies, and helps prevent algae.  Our Mega shock is a mega-strength shock treatment that effectively keeps your pool water crystal-clear.  Our Mega shock is a concentrated chlorinating agent in a dry, free-flowing form which controls algae, kills bacteria, and destroys organic contaminants in pools, spas and hot tubs.  

Directions for Use:

  • Add recommended dosage (1 lb. per 10,000 gallons of water) during the evening hours while the filter system is operating
  • When applying, broadcast the product evenly over a wide area in the deepest part of your pool.  
  • Use the entire contents when opened.
  • If any granules settle to the bottom of pool, use a pool brush to disperse.
  • For best results please maintain the following: (pH range 7.2 - 7.6, alkalinity range 60 - 120 ppm, calcium hardness above 200 ppm)

Features:

  • NOTE: Cannot be sold or shipped to Maine.

  • MULTI-PURPOSE - This swimming pool shock works as a strong sanitizer, clarifier, and algicide for clear blue water.
  • EXTRA POWER - Due to its high percentage of chlorine, Mega Shock is a very effective treatment for a quick chlorine boost. The Rx Clear Mega shock packets are chlorinating essentials.
  • MIX BEFORE YOU FIX - Add this granular powder to a bucket of water before you begin dissolving it in your pool. Add a 1 lb bag per 10,000 gallons of pool water for smart maintenance.
  • BEAT THE GREEN - Keep your swimming pool algae-free by adding 2 bags (2 lbs) of shock per 14,000 gallons of pool water. These granules work as an algaecide if your pool needs cleaning, or if you're opening for the season.
  • WORKS BEST AT NIGHT - Maximize performance by adding this shock to your pool at night. Wait to swim 8 to 10 hours after you start the application. Trust Rx Clear to supply reliable chemicals, supplies, and equipment for your above or in-ground pool, spa, or hot tub.