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🌊 Stay ahead of algae—because clear pools are the new status symbol.
BioGuard Back Up 2 is a top-rated, non-staining algae preventative liquid that remains stable in sunlight and increases effectiveness as water warms. Its powerful wetting agent penetrates hard-to-reach areas to stop algae before it starts, all while maintaining your pool’s pH balance. Designed for easy use and compatibility with BioGuard’s 3-Step Care System, it’s the trusted choice for professional-grade pool clarity.
| ASIN | B01N1FBFZL |
| Best Sellers Rank | #11,184 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #30 in Swimming Pool Algaecides |
| Brand Name | BioGuard |
| Customer Reviews | 4.7 4.7 out of 5 stars (550) |
| Item Form | Liquid |
| Item Type Name | Pool & Spa Supplies |
| Item Weight | 2 pounds |
| Manufacturer | BioGuard |
| Manufacturer Part Number | BIO23050 |
| Model Number | BIO23050 |
| Number of Items | 1 |
| Product Benefits | Controls Algae |
| UPC | 017541000581 017541262668 017541652469 |
| Unit Count | 32 Fluid Ounces |
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