BioGuard Back Up® 2

Categories : Pool Chemicals

Brand: BioGuard

SKU: BIO23050

BioGuard Back Up® 2 : Product Information

Prevent algae before it starts with Back-Up® 2.  This highly effective formula prevents wide variety of algae growth. It's stable in sunlight and will not evaporate. The activity of this product increases as water temperature rises, which is when you need protection the most.  Back Up® 2 has a powerful surfactant/wetting agent, which makes it able to work in the tiny cracks and crevices where algae starts. This product will not affect pH levels and is non-staining.

Directions For Use

Before treating your pool with Back Up® 2

  • Ensure all pool equipment is working properly.
  • Adjust the pH to between 7.2-7.6.
  • Adjust chlorine residual to 1-3 ppm. In a chlorinated pool.
  • Add stabilizer to establish a minimum stabilizer level of 30-40 ppm to reduce the damaging effects of sunlight upon the chlorine residual
  • Check for metals and if present, add a stain and scale inhibitor to prevent staining of pool surface due to metals.
  • Check chlorine residual and adjust to 1-3 ppm. When using other products as outlined in directions for this product.
  • Wait at least 15 minutes after application before entering pool.

Initial Application Or When Pool Water has Changed

Add 32 fl oz per 25,000 gallons of water.

Routine Maintenance

Add 1 fl oz per 5,000 gallons of water per week, or 2 fl oz per 5,0000 gallons of water every 2 weeks.

Vacation Application

Add 4 fl oz per 5,000 gallons of water for every week unattended.


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