Sunluway mineral cartridge replacement for Nature2 Express W28175 — 6‑month fit for up to 30,000 gal, silver/copper minerals

Sunluway replacement for the Nature2 Express W28175 is a direct-fit mineral cartridge that lowers chlorine demand and helps maintain clearer pool water for up to six months in pools up to 30,000 gallons.

Designed as an easy swap for OEM part numbers W28175, W20171, W20080, and W26775, this Sunluway mineral cartridge works with Nature2 Express systems and Express IG/AG vessels for both in-ground and above-ground pools. It uses silver and copper mineral media to complement standard sanitizers, shortening the time and chemicals required to keep pool water clear and comfortable.

How does this cartridge reduce chlorine use without changing my existing sanitizer?

The Sunluway cartridge releases trace minerals that help control common contaminants so your sanitizer can work more efficiently. It does not replace chlorine entirely but lowers the chlorine level needed to maintain sanitary water.

• Mineral blend of silver and copper supports microbe control.
• Can reduce chlorine demand by up to 50% under typical conditions.
• Designed to maintain chlorine around 0.5 ppm when used as directed.

How long will one cartridge last and when should it be replaced?

Each Sunluway replacement cartridge is rated for up to six months of normal use in a pool of up to 30,000 gallons. Replace the cartridge sooner if you observe water clarity issues or after heavy bather loads, storms, or extended warm spells.

• Typical lifespan: up to six months under normal conditions.
• Works for pools up to 30,000 gallons per cartridge.
• Change sooner after heavy use or chemical disturbances.

Will this fit my existing Nature2 Express system without modification?

Yes — Sunluway cartridges are manufactured to OEM specifications to provide a direct replacement for Nature2 Express mineral cartridges. Installation is simple and requires no tools beyond following your unit's standard procedure.

• Direct-fit design for Nature2 Express and Express IG/AG vessels.
• Compatible with OEM part numbers W28175, W20171, W20080, W26775.
• Thread-in installation into the clamp assembly; set your date reminder after installing.

What maintenance changes will I notice after installing this cartridge?

With the mineral cartridge in place you should see reduced frequency of chlorine additions and a milder chlorine presence. Overall pool care becomes less chemical-intensive, which can simplify testing and dosing routines.

• Lower overall chlorine consumption and fewer shock treatments.
• Gentler swim experience with less odor and irritation when used correctly.
• Complementary to regular testing and standard sanitation practices.

Who is this for: Pool owners and service professionals who run Nature2 Express systems and want a straightforward, cost-conscious replacement cartridge. It’s a practical choice for backyard pools up to 30,000 gallons—both in-ground and above-ground—looking to reduce chemical load, simplify upkeep, and maintain clear, comfortable water while keeping existing sanitizer equipment and routines in place.