Are you at 75w per cob Elvis? If so each cob is giving the plants more light than a mars 300. Each cob! As growmau says wattage is just a unit of measure and has nothing to do with light. Light has to do with efficiency.Hey I got life!!! I am running at 50% I waiting to see what chips come out this year.. It will be 6 month before i upgrade it.. Maybe cree will have somthing out this year.
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You know i feel like this Lamp can grow 4 plants.