Yamitsu Platinum 20000 Box Filter (GRP) Inc UVC

For larger goldfish or koi ponds, you need strong mechanical filtration backed up with proper biological capacity. The Yamitsu Platinum 20000 Box Filter (GRP) inc UVC — FS525 combines a robust fibreglass filter body with integrated UV clarification.

Why it’s a good fit

• Suitable for goldfish and koi ponds
• Built in durable GRP (fibreglass) construction
• Very high internal surface area for bio-mass to thrive
• No moving parts — simple and reliable design
• Supplied with UVC included
• Uses Kintama media, offering double the surface area of most fluid bed medias

What’s included

As specified in the catalogue, Platinum filters come with:

• 3 x foam layers
• 1 x white filter wadding
• 1 x blue matting
• 1 x carbon impregnated foam
• Kintama biological media

The integrated UVC helps control green water as part of the complete filtration stage

Specifications

Where it fits in your system

Typical pump-fed layout:

Pump → Platinum 20000 → Return

Install on a solid, level base with enough space above to lift out media for cleaning.

Maintenance tips

• Rinse foam and matting in pond water, not tap water.
• Replace carbon foam as required.
• Isolate power before servicing the UVC and follow lamp replacement guidance.

A tough, traditional GRP box filter with integrated UV — ideal for larger ponds needing dependable, straightforward filtration.