Response to Hi. Although both products can be used to treat algae in swimming pools, they have a different chemical composition and application process. From my experience, the Terminator 30 (poly oxyethylene(dimethyliminio)ethylene(dimethyliminio)ethylene dichloride 30%) foams less than the Super Concentrated Algaecide (alkyl dimethyl benzyl ammonium chloride 30%). 

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