Oase 55 Watt Replacement UV Lamp
Replacement 55-watt UVC bulb for OASE high-capacity UV clarifiers and pressurized filters. This genuine OASE UVC bulb eliminates green water and controls algae by destroying single-celled algae as water passes through your UV unit or filter.
Key Features:
- Official OASE 55W replacement UVC bulb
- High-output bulb for large ponds and heavy algae control
- Eliminates green water caused by suspended algae
- Controls algae growth for crystal-clear water
- Easy to replace with quick-access design
- Long-life UVC technology
Why Replace UVC Bulbs:
- UVC output diminishes over time, even if the bulb still lights up
- After 8,000-10,000 hours (approximately one season), effectiveness drops significantly
- Old bulbs won't eliminate green water or control algae effectively
- Annual replacement ensures optimal algae control
- Recommended replacement: Every spring at the start of pond season
Compatible With:
- OASE FiltoClear 8000 Pressurized Filter
- OASE Bitron 110 UV Clarifier (requires 2 bulbs)
What's Included:
- 1 genuine OASE 55-watt UVC replacement bulb
Note: The Bitron 110 UV clarifier requires 2 bulbs for operation. If you're replacing bulbs for a Bitron 110, order 2 of this item. The FiltoClear 8000 requires 1 bulb.
Frequently Asked Questions
Q: How often should I replace my 55W UVC bulb?
A: UVC bulbs should be replaced annually, typically at the start of the pond season in spring. Even though the bulb may still light up and appear to be working, the UVC output diminishes significantly after about 8,000-10,000 hours of use (roughly one season of operation). After this time, the bulb won't effectively kill algae or eliminate green water, even though it's still glowing. For large ponds using high-wattage bulbs like this 55W model, maintaining fresh bulbs is especially important since you're relying on them to handle significant algae loads.
Q: My bulb still lights up—do I really need to replace it?
A: Yes! This is a common misconception. The visible light you see is not the same as the UVC light that kills algae. UVC is invisible to the human eye and operates at a specific wavelength (254 nanometers) that damages algae DNA. Over time, the UVC output degrades while the visible light remains. So your bulb can look perfectly fine and still be ineffective at controlling algae. If you're experiencing green water despite your bulb lighting up, it's almost certainly time for replacement.
Q: How many bulbs do I need for my unit?
A: It depends on which unit you have. The FiltoClear 8000 pressurized filter uses 1 bulb, so order 1 of this item. The Bitron 110 UV clarifier uses 2 bulbs for its dual-lamp design, so you'll need to order 2 of this item (one for each lamp). When replacing bulbs in a dual-lamp unit like the Bitron 110, it's best to replace both bulbs at the same time even if only one has failed, since they've both been in use for the same amount of time and the second bulb is likely close to needing replacement as well.