Algaecide, Product Label Green Algae Eliminator, Container Type Bottle, Container Size 32 oz, Cleaner Form Liquid, pH Value Acidic, pH Level 3 to 4, Standards EPA, Biodegradable No, Calcium Free Yes, Color Blue/Green, Flash Point Greater Than 212 Degrees F, Fragrance Chlorine, Phosphate Free Yes, Primary Chemical Aluminium Sulfate, Copper Sulfphate, Poly[Oxy-1,20Ethanediyl(Dimethyliminio)-1,2-Ethane Diyl(Dimethyliminio)-1,2-Ethanediyl Dichloride, Properties Calcium Free, Phosphate Free