odno ballast failures

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AC Members
Aug 4, 2006
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Tacoma, WA
I've been doing 4x ODNO with REL-4P32-SC's and they keep failing after a certain amount of usage and stop working, I had one on my plant tank and my other tank and they've both failed within say 2 months of off and on usage. Does anyone have any ideas why they keep failing?
 
Too much heat? That's just a wild guess. The most I've ODNO'd is 2X (i.e. run 2 bulbs with a 4bulb ballast, 1 bulb with 2bulb ballast, 1 20W bulb with 1 40W ballast). 4X just seems excessive to me. Probably doesn't help you much, sorry.
 
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