BioGuard Back Up 2 Algae Preventative 1 Qt Non-Staining Formula for Pool Care

BioGuard Back Up Algaecide is BioGuard's most effective algae preventative. The 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 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.

• Highly Effective Algae Preventative: Our non-staining highly effective formula prevents a wide variety of algae growth. Weekly use of Back Up 2 prevents before it starts. 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.
• Powerful Wetting Agent: Our Back Up 2 has a powerful surfactant agent, which makes it able to work in the tiny cracks and crevices where algae starts. It does not affect pH levels.
• Add this product directly to the pool by pouring around the outside perimeter of the pool while filter and pump are in operation. This product is not recommended for use in pools that feature attached spas or intricate water features.
• Compatible with the 3-Step BioGuard Care System: This product seamlessly integrates with either the 3-Step or Once-A-Week 3-Step BioGuard Care System, offering flexibility and convenience for pool owners. The addition of algicide is needed for proper pool maintenance.
• Tested and Proven Effective: BioGuard products are known for delivering reliable results and making pool care easy. BioGuard carries an extensive line of pool solutions for all needs.

Shipping: We ship within the continental US only, using USPS, FedEx, and UPS. Enjoy free shipping on all orders with a 1-day processing time. Delivery takes approximately 3-5 business days, and tracking information is emailed once your order ships. Currently, we do not offer international shipping.

Returns: You may return unused and unopened items within 30 days of delivery for a full refund or exchange. Please see our full Returns Policy here.

Warranty Assistance:
If the product is past the 30-day return window, we are still willing to assist with warranty claims. Please contact us for more information, and we will help guide you through the warranty process