- Unplug UV from socket
- Twist interior cap (wire enters unit) clockwise
- Unscrew the bulb, replace
- Twist interior cap counter clockwise
- Bulb replacement can be done while connected to running canister filter
The Cobalt MICRO-UV clarifier removes water born microscopic algae, bacteria and other organisms and keeps water clean and green free. Sophisticated yet simple design features integrated 5/8" hose barbs that have easy to install and seal locking rings, an easy to change 3 Watt halogen UV lamp, simple to clean quartz sleeve assembly, and O-ring seals at all assembly points. 3-Year Warranty.
How to Replace Micro UV- Bulb (Replacement Part # P0506)