Grech UV-C steriliser lamp 5W G23 – UVC bulb for a steriliser
Replacement 5W UV-C lamp with G23 base for aquarium sterilizers, used to help limit algae, bacteria…
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This replacement UV-C lamp is intended for aquarium owners whose sterilizer has lost effectiveness as the original lamp has aged. Fitting a new 5W G23 lamp restores the unit's UV-C output, which supports stable water conditions in the tank.
Why it matters
- Designed for most aquarium sterilizers with a standard G23 socket, so it can be swapped in without modifying the installation.
- Helps reduce algae, bacteria and other microorganisms in the aquarium water.
- High UV-C output, with a long service life that means less frequent replacement.
- Quick and simple installation with no changes to existing equipment.
Specifications
- Connection: PL-S 5W UVC G23
- Power: 5W
- Dimensions: 105 x 32 x 15 mm
What it works with
The lamp is made for aquarium sterilizers fitted with a G23 socket, so compatibility with your specific model should be confirmed before purchase. Replace it according to the sterilizer manufacturer's schedule, even if the lamp still lights, because UV-C effectiveness declines over time. Disconnect the sterilizer from power and let it cool before replacing the lamp, and never operate it outside a closed sterilizer, as UV-C radiation must not be directed at people or animals.
Technical specification
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Frequently asked questions
The lamp is designed for sterilizers with a standard G23 socket, so check that your current model uses G23 before you buy. The connector is marked PL-S 5W UVC G23.
It is a 5W UV-C lamp with dimensions of 105 x 32 x 15 mm. Compare these dimensions with your old bulb if you want to confirm the fit.
Follow the replacement schedule recommended by your sterilizer's manufacturer. UV-C output decreases over time even when the bulb still lights up.
No. Use the lamp only inside the closed sterilizer, because UV-C radiation should not be directly exposed to people or animals.
Unplug the sterilizer from the power supply and let the unit cool completely before you change the lamp.
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