
BioGuard Pool Magnet Plus – 1 Quart, Concentrated Metal Stain Preventer
Description
BioGuard Pool Magnet Plus prevents staining due to iron, copper and manganese. It also eliminates discolored water from metals. This product has been recently reformulated and is now more concentrated and effective as ever. Pool experts recommend that this product be used monthly in pools that hold iron-containing fill water. It is only necessary to be used monthly because it stays effective for 3-4 weeks. It is recommended to use Pool Magnet Plus in conjunction with BioGuard Sparkle Up to remove metals from the water.
- Effective Metal Stain Prevention: BioGuard Pool Magnet Plus is a powerful chelating agent designed to wrap up any metal in your water and deposit it in your filter for removal. This can assist in preventing stains, and treating discolored (but clear) water, and should be used regularly in areas with metal in their fill water.
- Protects Against Metal & Stains: Pool Magnet Plus prevents new stains from forming and can even assist in the treatment of fresh metal stains. It also eliminates discolored water from metals.
- Reformulated & More Concentrated: This product has been recently reformulated and is now more concentrated and effective than ever. Pool experts recommend that this product be used monthly in pools that hold iron-containing fill water. It is only necessary to be used monthly because it stays effective for 3-4 weeks.
- Application: For initial dose, 1 quart (bottle) per 10,000 gallons of water. For high levels of metals present, it is receommended to use along with BioGuard Sparkle Up. For maintenance: Use 3 oz per 1,000 gallons of fill water added. Fresh Stains:1-3 quarts(bottles) depending on severity/size of stain.
- 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 & Returns
Shipping: We ship within the United States only, using USPS, FedEx, and UPS. Enjoy free shipping on all orders.
Orders ship within 1 to 2 business days, and delivery typically takes 4 to 6 business days after shipping, for a total of about 5 to 8 business days from your order date.
Tracking information is emailed once your order ships. We do not currently offer international shipping. See our full Shipping Policy for full details.
Returns: Unused items in their original packaging may be returned within 30 days of delivery. A restocking fee applies to change-of-mind returns, and defective, damaged, or incorrect items are returned free of charge. See our full Refund and Returns Policy for full details.
Warranty
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
Real Reviews from Our Customers
Reviews are collected from verified purchasers with Trustpilot.

Delivering Excellence in Pool Products & Service
Why Choose National Pool Supply?
We’re dedicated to providing only the best pool products, sourced from top brands. At National Pool Supply, your pool’s care is our priority, and we’re here to make your experience effortless.




