Bioguard Back Up 2

BioGuard Inhibit Back Up 2 -- highly effective algae preventative. Keeps water clear and free of visible algae. Non-staining. For use in all pool types. 1 QUART (32 FL OZ) 946 ml

• Non-staining formula prevents a wide variety of algae
• Powerful wetting agent and surfactant help it work into cracks and crevices
• Not appropriate for pools with attached spas or water features
• Can be used with the BioGuard 3-Step Care System