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68shelby
03-20-2009, 05:47 PM
How often should you replace the blue actinic lights in your system?

parkinsn
03-20-2009, 06:08 PM
Depends on the type, PC are about 6-8 months T5 i would give a little longer 8-12. It also depends on how long your running them. Or if your following the zeo system every 3 months :lol:

fkshiu
03-20-2009, 06:38 PM
Actinics are a lot easier to judge when to replace than standard bulbs - your coral colours will begin to lose their "pop".

mark
03-20-2009, 08:00 PM
what fkshiu said. The actinics are only for you as a viewer and not used by the corals for growth.