Description
The Rainbow RDC50 is a NZ-made Magnum spa filter cartridge designed for steady filtration across a range of spa systems. It handles everyday debris like dirt, oils, and fine particles, helping maintain clear water and consistent flow.
Key Features
- NZ made Magnum filter cartridge
- Designed for reliable water clarity and flow
- Pleated media for better dirt holding capacity
- Built for regular cleaning and repeated use
- Suits a range of spa brands and models
Where It’s Used
Used in spa pool systems that require the RDC50 size cartridge. Common across Sundance, Jacuzzi, and similar compatible setups.
Fitment
Suitable for:
- Sundance 680 (373045)
- Arcadia (pre 2011)
- Jacuzzi J200 (2012 onwards)
Always confirm dimensions and internal hole size before ordering.
Dimensions
- Outside Diameter: 125mm
- Length: 338mm
- Internal Hole: 54mm
How It Works
Water is drawn through the pleated filter media, which traps debris such as dirt, oils, and fine particles. This helps keep the water clean while reducing strain on the spa system.
Pro Tip
If your spa runs daily, having a second cartridge on hand makes cleaning easier. Swap them out and let one dry fully before reuse to keep performance consistent.
FAQs
1. Will this fit my spa?
It fits Sundance 680, Jacuzzi J200, and some Arcadia models, but always match the size and hole diameter with your current filter.
2. How often should I replace this filter?
Most spa filters are replaced every 12 months, depending on usage and water quality.
3. Can I clean and reuse this cartridge?
Yes. Regular rinsing helps extend its life, but it will eventually need replacing.
4. What does this filter remove?
It removes dirt, oils, hair, and fine particles that affect water clarity and system performance.
5. Why is my spa water still cloudy after cleaning?
If cleaning does not improve clarity, the filter media may be worn out and no longer effective.