Welcome to RG Steven.
I change out my mh's every 10mths, t5 overdriven every 10mths and ho t5's every 12mths. The t5's depend on the brand alot imo. The ati's do well for longer than some of the other brands.
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125g reef, 9500gph flow, SWC160 Cone, 30scfh, 30w and extra large collection cup : ) 3x150w led fixture's as strong as 400w mh's!
Last edited by chris&barb; 12-07-2009 at 02:19 PM.
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