When to change T5 Bulbs with ATI Sunpower?

[ColaAddict]

Hi. Just wanting to know when to change bulbs on my ATI Sunpower 8 bulb fixture. I have a mostly SPS reef tank. Can I go 12 months without bulb change with ATI?

 

[Aquaph8]

I'd go about 8 months but you may get away with a little longer.

 

[Degener8]

I answered your question in the other thread also, but for repititions sake.. generally speaking t5 is good for around 9-12 months max. BEING sps dominant I would change it closer to the 9 month mark and do it in a rotation a few bulbs at a time to give the coral time to adjust to the light changes (even if they are the same blue + bulbs) because of the color shift and intensity change and how finicky some SPS can be to these changes.

 

[skinz78]

Agreed, I tend to change mine at 8 to 10 months.

 

[ColaAddict]

Thanks guys!

 

[Steelerfan747]

I would not go longer than 9 months