HTH 52039 Pool Care Shock Ultra, Calcium Hypochlorite, 1 Lb.

HTH Pool Care Shock Ultra is a fast-acting calcium hypochlorite pool shock treatment designed to quickly boost chlorine levels and maintain crystal-clear water. This concentrated formula kills bacteria and algae while softening and clarifying pool water, making it an essential product for weekly maintenance, emergency treatments, or occasional pool care needs.

Whether you're dealing with cloudy water, algae growth, or simply maintaining proper chlorine balance, this shock treatment works on all pool surfaces and is safe for vinyl liners. The 1-pound pouch delivers visible results, leaving your pool noticeably clearer after treatment and helping prevent the buildup of contaminants that compromise water quality.

Features and Benefits

• Fast-Acting Formula: Increases chlorine levels quickly to restore water clarity and balance.
• All-Surface Safe: Works effectively on all pool types and surfaces, including vinyl liners, without causing damage or discoloration.
• Bacteria and Algae Control: Kills existing bacteria and algae while preventing future growth and contamination.
• Water Softening and Clarification: Enhanced clarification agents work to soften water and improve overall water quality for a visibly sparkling pool.
• Concentrated Calcium Hypochlorite: 56% active ingredient delivers powerful, efficient chlorine boosting in a compact 1-pound format.

Specifications

• Brand: HTH
• Model: 52039
• Size: 1 lb.
• Active Ingredient: Calcium hypochlorite 56%
• Type: Pool shock treatment, powder granules