HPS lamp lifespan

AdamQball

Member
the life hours r on the pakaging, usualy 20,000 hours[/QUOTE
So if my lamp runs for around 1000 hours for each grow thats 3-4 week vege and 8 week flower i should get 20 crops from the one lamp or should i change it sooner than that. Will the lamp slowly reduce in power or will that start to happen after the 20,000 hours

Cheers
AdamQ
 
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