actualy they are not being overdriven at all and should last longer than normaly. I would go a minimum of a year on them and even up to 1.5 years, you have to play it by ear and decide when you want to change them. one way is to have a new set of bulbs and say at 1 year put one new one in and over a coupel days see the differance, then put the old one back in and in a month do it again.. if you start getting a huge change month to month time to change them. the other way is to have a PAR meter and do measurments on them instead.
Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
Some strive to be perfect.... I just strive.
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