Astral Mineral Guard - Replacement Cartridge

The AstralPool Mineral Guard Replacement Cartridge (WN000042) is the genuine replacement cartridge for the AstralPool Mineral Guard mechanical ioniser. Replacing the cartridge regularly ensures your Mineral Guard continues to deliver cleaner, softer, and healthier pool water by releasing beneficial minerals into the water.

Product Details

• Genuine AstralPool replacement part
• Part number: WN000042
• Compatible with: AstralPool Mineral Guard mechanical ioniser
• Easy cartridge replacement — no tools required
• Weight: 1kg

Downloads

• Mineral Guard Replacement Cartridge — Installation Manual (PDF)
• Mineral Guard — Safety Data Sheet / SDS (PDF)

Frequently Asked Questions

What is the part number for the AstralPool Mineral Guard replacement cartridge?

The AstralPool Mineral Guard replacement cartridge has part number WN000042. The barcode is 9317545293158.

Which AstralPool products is the WN000042 cartridge compatible with?

The WN000042 cartridge is designed specifically for the AstralPool Mineral Guard mechanical ioniser. If you are unsure whether this cartridge suits your unit, contact us with your model details and we can confirm compatibility.

Is this a genuine AstralPool part?

Yes — this is a genuine OEM AstralPool replacement cartridge, not an aftermarket substitute, ensuring correct fit and performance.

How often should I replace the Mineral Guard cartridge?

AstralPool recommends replacing the Mineral Guard cartridge at the start of each pool season, or as directed in your installation manual. Regular replacement ensures optimal mineral release and water quality.

Do I need tools to replace the cartridge?

No — the Mineral Guard cartridge is designed for easy tool-free replacement. Refer to the installation manual linked above for step-by-step instructions.

What does the Mineral Guard cartridge do?

The Mineral Guard cartridge releases beneficial minerals into your pool water, helping to reduce chlorine demand, soften the water, and improve the overall swimming experience.