Prevent algae from appearing with routine weekly maintenance

  • 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

Back Up® 2

SKU: 23050BIO
$25.99Price