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www.pond-planet.co.uk£6.99Visit shop Kockney Koi Yamitsu Replacement T5/T8 Uv Lamps
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The Yamitsu 11w UV tube is designed for pond owners who use Kockney Koi Algae Master units or compatible 11w UVC systems and want to maintain clear, healthy pond water. This high-quality replacement bulb effectively combats green water algae blooms, ensuring optimal light intensity for sterilization. The primary caveat is that UV output degrades significantly over time, meaning consistent annual replacement is necessary to keep your clarification system operating at peak efficiency.
| Model Part Number | 000148 |
|---|---|
| Brand | Yamitsu |
We recommend replacing the bulb annually, ideally before the spring season starts.
It is designed for standard 11w units requiring a 230mm double-ended tube. Always check your specific unit's manual to confirm measurements.
No, it is best to handle the bulb with a soft cloth to avoid transferring skin oils, which can damage the glass surface.
It specifically targets suspended single-celled algae (green water) by clumping them for filtration. It will not remove string algae or blanket weed.
Yes, UV bulbs continue to emit visible light long after their effective ultraviolet output has dropped below the level required to kill algae.
Check that the electrical connections are fully pushed onto the pins and ensure the UVC power supply is active.
Ensure the quartz sleeve inside the unit is free of limescale or dirt, as these block UV rays from reaching the water.
Verify that the starter or ballast in your UVC unit is functioning correctly, as old ballasts can damage new bulbs.
To install, ensure your UVC unit is disconnected from the power supply. Open the housing, remove the old tube, and gently insert the new 11w tube, ensuring both sets of pins are securely seated in the connectors. Always avoid touching the glass of the new bulb with bare fingers, as natural skin oils can cause hot spots and reduce the bulb's lifespan; use a soft cloth for installation. Replace your bulb annually, ideally in early spring, to ensure the lamp is at full strength before the peak summer growing season.
