Nature2

Nature2 DuoClear 25 Mineral Cartridge for Inground Pools up to 25,000 Gallons | Replacement Cartridge for DuoClear & Fusion Systems

High-performance patio lawn and garden made for confident daily results

$199.02

3 shoppers currently have this item in cart.

Low stock: only 5 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium patio lawn and garden quality selected for United States (USA) customers.

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Share

Why customers choose Cera Garden

Nature2's patented mineral technology offers a gentler approach to pool sanitation, using minerals to help control bacteria and algae in inground pools up to 25,000 gallons. Designed to work with DuoClear 25 vessels and Nature2 Fusion pool sanitization systems, this replacement mineral cartridge supports a balanced water routine while reducing the need for harsher chemicals.

What you get

  • Replacement mineral cartridge for all DuoClear 25 vessels (except limited)
  • Destroys bacteria and controls algae using natural minerals
  • Reduces potential for stinging eyes, skin irritation, and unpleasant odors
  • Will not harm pool equipment or stain pool
  • Helps stabilize pH levels
  • 6-month guarantee

How it fits your pool routine

  • Compatible with DuoClear 25 salt chlorinators and Nature2 Fusion pool sanitization systems for inground pools up to 25,000 gallons
  • May contribute to lower chemical use while maintaining sanitizer performance
  • Easy replacement every six months helps maintain consistent water quality

Real-world use tips: Pair this mineral cartridge with regular water testing to track sanitizer levels and pH. Store cartridges in a cool, dry place until replacement time, and follow local pool maintenance guidelines for best results. While results can vary by environment, many users notice a reduction in harsh chemical demand and a smoother pool feel with routine replacements.

FAQ

Q: What is the Nature2 DuoClear 25 mineral cartridge used for?

A: Replacement mineral cartridge for DuoClear 25 vessels; uses minerals to control bacteria and algae and helps stabilize pH.

Q: How long does the Nature2 DuoClear 25 cartridge last?

A: Designed for up to six months of mineral-based sanitization per replacement.