Leslie's Power Powder Plus Calcium Hypochlorite Pool Shock 25 lb Bucket W8000326

When you have an algae bloom or need to treat other pool problems, look no further than Leslie's Power Powder Plus Cal-Hypo Pool Shock. With 73% Calcium Hypochlorite active ingredient and a minimum of 70% available chlorine, it's the strongest pool shock available. Power Powder Plus is known as a solution shock as it destroys algae blooms and organic as well as inorganic contaminants. Power Powder Plus Calcium Hypochlorite Pool Shock is also great for weekly maintenance to super chlorinate and give your chlorine levels a quick boost when you need it. Whether you're using Power Powder Plus as a treatment or maintenance pool shock, it's extremely effective at keeping pool water sanitized and safe for swimming. Active Ingredient: 73% Calcium Hypochlorite Leslie's Power Powder Plus Pool Shock has the highest percentage of Calcium Hypochlorite available for a super strength and concentrated pool shock. Some other pool shocks have a lower percentage of active ingredient with a higher percentage of inert ingredients which reduce the amount of chlorine sanitizer that is ultimately added to your pool. 70% Minimum Available Chlorine With Leslie's Power Powder Plus , you get at least 70% available chlorine to kill and inactivate algae spores, bacteria, germs, and other water contaminants. Don't settle for anything less when looking for a pool shock to effectively treat pool problems like algae blooms and swimming accidents fast. As the chlorine dissolves in the water, it forms hypochlorous acid which is what kills and eradicates algae and bacteria. Low Residue & Fast Dissolving Fast acting and dissolving, Leslie's Power Powder Plus works quickly to kill algae and bacteria without leaving any noticeable residue behind. Even though it is a calcium based granular chlorinated shock, it won't significantly increase calcium hardness levels in the pool water. Power Powder Plus Calcium Hypochlorite shock works