Can anyone see a difference in these two products except price ?

alto

Member
Joined
24 Dec 2014
Messages
5,665
Just confirm serial/manufacturing numbers rather than assuming same product based upon limited information given

If you decide to go non-dimmable T5, I’d add an LED bar for slow ON/OFF photoperiod, also to extend tank viewing time (I set my LED at 5-10%)
 
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