Product Description 

Spa Fresh Ultra Sanitizer is a premium chlorine‑free spa sanitizer designed to keep your spa water clean, healthy, and crystal clear. As the core product of the Spa Fresh non‑chlorine system, it provides continuous protection against harmful bacteria, ensuring a safe bathing environment for your family.

This formulation is ideal for customers wanting a gentle, low‑odour, non‑chlorine alternative that won’t damage spa components or irritate skin. According to supplier product data, Spa Fresh Ultra delivers ongoing sanitizing performance and is compatible with all spa types and filtration systems 

Key Features

• Chlorine‑free sanitizing – perfect for sensitive skin and those avoiding harsh chemicals.
• Continuous bacteria control – maintains safe water between uses.
• Equipment‑safe formula – protects pumps, heaters, jets, and seals from chemical wear.
• Low odour & non‑irritating – more comfortable for regular spa users.
• Compatible with all spa systems – works with cartridge filters, ozone, and UV systems.
• Easy weekly dosing – simple maintenance for spa owners.

Technical Specifications

• Product type: Non‑chlorine spa sanitiser
• Available in: 5L, 2.5L and 500ML
• Active system: Biguanide‑based sanitising (inferred from Aquaspa/Spa Fresh range)
• Application: Weekly dosing + after heavy use
• Compatible with: All acrylic spas, portable spas, swim spas
• Country of use: Australia

Usage Instructions

• Add the recommended weekly dose directly into the spa water with pumps running.
• Test water balance regularly (pH, alkalinity).
• Use in conjunction with Spa Fresh Shock or oxidiser for best results.