Description
The Jeneca UV-03 UV Bulb provides reliable filtration for your aquarium.
Key Features
- Designed to maintain clean and healthy aquarium water
- Suitable for freshwater and/or marine aquarium setups
- Efficient mechanical, biological, and chemical filtration
The Jeneca UV-03 Replacement Bulb Explained
The UV-03 is the larger-output lamp in Jeneca’s range, intended for the bigger hang-on units that move more water per hour. For Singapore keepers running tanks in sunlit living rooms, a higher-wattage bulb gives the contact time needed to clear stubborn green water that thrives in our year-round warmth. We often recommend stepping up to the UV-03 when a smaller bulb keeps a tank only mostly clear rather than crystal.
Like all germicidal lamps, output drops well before the bulb visibly fails, so plan on an annual replacement to keep the steriliser actually doing its job. Always confirm the wattage and length suit your exact Jeneca filter, because the housings differ across the series and the wrong bulb simply won’t seat or perform. Keep the quartz sleeve clean too, since a filmed sleeve blocks the very light you paid for.
Browse our full filtration equipment selection for matching units. If you’re sizing a clarifier or chasing a persistent bloom, our UV steriliser sizing guide and the UV bulb replacement guide will point you to the right wattage.
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