Download Clorox Xtra Blue Tablets
Gif. Costco sells these clorox pool & spa chlorine tablets for $87.99. It will remove bacteria for a healthier environment.

Fight algae and enjoy clear pool.

Typically you can find the chemical ingredients listed in the msds sheet that the manufacturer puts out. It will remove bacteria for a healthier environment. Not only does this data sheet list the safety of the product but it also gives you the ingredients in most cases. It's in the top 3 bestselling water chlorine products and has quite a few popular alternatives in the same price range, such as spa frog smartchlor or spa shock xtra 6 lbs.