BioGuard Back Up 2 Algicide

BioGuard Back Up 2 Algicide

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BioGuard BackUp is an algaecide that has a powerful surfactant/wetting agent makes Back Up able to work in tiny cracks and crevices where algae starts. It's effectiveness increases in higher temperatures when you need it most. This product compliments the BioGuard Once-a-Week 3-Step Program and the BioGuard 3-Step Program.