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Nature2

DuoClear 35 Mineral Cartridge for Inground Pools up to 35,000 Gallons | Cartridge for DuoClear Salt Chlorinators & Nature2 Fusion Pool sanitization Systems | Replacement Pool Filter Cartridge

Name: Nature2 DuoClear 35 Mineral Cartridge for Inground Pools up to 35,000 Gallons | Cartridge for DuoClear Salt Chlorinators & Nature2 Fusion Pool
Brand: Nature2
SKU: B002IT5JPW
Price: 139.99 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-07-22

$139.99

Buy on Amazon — $139.99 Compare to similar games & cartridges

*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.

Bottom line: The DuoClear 35 Mineral Cartridge for Inground Pools up to 35,000 Gallons | Cartridge for DuoClear Salt Chlorinators & Nature2 Fusion Pool sanitization Systems | Replacement Pool Filter Cartridge is a niche pick — read recent reviews before buying in the games & cartridges category, priced around $139.99. Read recent reviews carefully before committing.

Product DescriptionNature2 W28001 DuoClear Mineral Cartridge For DuoClear Pool Sanitizers, 35 ReplacementFrom the ManufacturerNature2's patented technology uses minerals to kill bacteria and control algae for up to six months. This process of reducing bacteria and algae also decreases the amount of harsh chemicals used to keep your pool water balanced. In fact, using by Nature2 you can reduce the level of chlorine to just 0.5 ppm (1/2 part per million)

SpecPicks Verdict

SpecPicks classifies Nature2 DuoClear 35 Mineral Cartridge for Inground Pools up to… as a niche pick — read recent reviews before buying in the games & cartridges category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Nature2's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for games & cartridges of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by Nature2's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

Nature2 DuoClear 35 Mineral Cartridge for Inground Pools up to 35,000 Gallons | Cartridge for DuoClear Salt Chlorinators & Nature2 Fusion Pool sanitization Systems | Replacement Pool Filter Cartridge
LEADING MINERAL SANITIZING CARTRIDGE: This system cartridge uses mineral technology to deliver cleaner, clearer pool water while providing peace of mind with round the clock algae control.
LESS CHLORINE USE, LESS IRRITATION: The mineral process provides continuous algae control while reducing your chlorine use* for a more enjoyable swimming experience. You won't feel, smell, or be affected by heavy chlorine usage.
EASY & LONG-LASTING: Destroy bacteria and control algae for up to 6 months in pools. Plus, replacing your cartridge is simple so you can experience uninterrupted use of your inground pool.
COMPATIBLE WITH NATURE2 DUOCLEAR VESSELS: Engineered as a direct replacement mineral filter cartridge for Nature2 DuoClear Salt Chlorinators & Fusion systems for smooth installation and dependable operation for pools up to 35,000 gallons.
DECREASES POOL MAINTENANCE: This mineral cartridge replacement helps reduce chlorine use* & maintain balanced pH levels — reducing overall maintenance and making it easier to keep your swimming pool clean and clear.

Full Specifications

Brand	Nature2
Item Form	Granular
Unit Count	1.0 Count
Model Number	W28001
Number of Items	1
Product Benefits	Controls Algae
Manufacturer Part Number	W28001
Manufacturer Warranty Description	Warranted against manufacturer's defects
Global Trade Identification Number	00706175280017
LEADING MINERAL SANITIZING CARTRIDGE	This system cartridge uses mineral technology to deliver cleaner, clearer pool water while providing peace of mind with round the clock algae control.

Ready to buy?

Nature2 DuoClear 35 Mineral Cartridge for Inground Pools up to 35,000 Gallons | Cartridge for DuoClear Salt Chlorinators & Nature2 Fusion Pool sanitization Systems | Replacement Pool Filter Cartridge is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.