Should you use Algae Complete instead of Back Up
Yes. Algae Complete is designed to be a replacement to the BioGuard Back Up
Yes, BioGuard Algae Complete is a replacement for BioGuard Back Up 2. Although BioGuard Back Up 2 is a great algae preventative, BioGuard Algae Complete is a dual action product that can prevent and kill a broad spectrum of algae.