UV sterilizer question

[vivioo7]

How often should you replace the bulbs on UV sterilizers if ever? I didnt think it needed to be done and Ive never heard anything about it.

 

[reefjunkiee]

at least once a year, personally i would do it every 6 months.

 

[florida joe]

Along with changing the bulb, maintenance is of great importance. Keeping the UV rays emitted by the bulb and water column at optimum clarity is vital