FROG Serene Replacement Mineral Cartridge for Hot Tub FROG Serene Floating System (01-14-3812)

The FROG Serene Replacement Mineral Cartridge is the replacement for the FROG Serene Floating Sanitizing System for hot tubs. It contains FROG's patented sanitizing mineral formula, which works alongside bromine to kill bacteria two ways and allows bromine use to drop by up to 50 percent compared to bromine-only programs. Each mineral cartridge lasts four months, providing a full season of continuous mineral sanitization from a single replacement. The cartridge drops directly into the FROG Serene floater with no tools, no measuring, and no mess. Sold as a single cartridge.

Specifications: Part Number: 01-14-3812 | Compatibility: FROG Serene Floating Sanitizing System | Pack Size: 1 Cartridge | Mineral Cartridge Life: 4 Months | Bromine Reduction: Up to 50% | Application: Hot Tubs | Is HazMat: No

• Replacement mineral cartridge for the FROG Serene Floating Sanitizing System; sold as a single cartridge
• Patented mineral formula works alongside bromine to kill bacteria two ways, reducing bromine use by up to 50 percent
• Each mineral cartridge lasts four months, covering a full hot tub season from a single replacement
• Fresh Mineral Water technology conditions hot tub water for a softer feel while maintaining effective sanitization
• Drops directly into the FROG Serene floater with no tools, no measuring, and no chemical handling required
• Lower bromine levels mean water is gentler on skin, hair, and swimsuit fabrics compared to standard bromine programs
• FROG has more than 25 years of experience in water care; mineral technology is patented and used across the full FROG product line

Shipping and Warranty

Free Shipping: Most orders ship within 1-2 business days via ground carrier.

Note: Images are for reference only.

Shipping: We offer free standard shipping on all orders within the contiguous United States (lower 48). We do not currently ship to Alaska, Hawaii, or Puerto Rico. Any other restrictions will be shown at checkout. We do not currently ship internationally. 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. To start a return, request a Return Merchandise Authorization (RMA) by emailing support@nationalpoolsupply.com or calling +1 978-222-0628 with your order number and the reason for the return (include photos if the item is defective, damaged, or incorrect). Once your RMA is approved, ship the item with your RMA number to: DHB Enterprises LLC / National Pool Supply, 30 Log Bridge Rd, Building 300, Unit 301, Middleton, MA 01949. Change-of-mind returns: you pay return shipping, and a 15% restocking fee applies; original shipping costs are not refunded. Defective, damaged, or incorrect items reported within 30 days of delivery are returned at no cost to you with a prepaid label, and no restocking fee applies. See our full Refund and Returns Policy for full details.

Manufacturer Warranty:
This product carries the manufacturer's warranty, where applicable. Warranty terms, coverage, and exclusions are set by the manufacturer. Warranty claims are filed directly with the manufacturer; we do not process warranty claims or offer a separate warranty of our own. If you need the manufacturer's contact details, contact us and we will share them. See our Warranty page for details.