New Grower Outdoor vs Indoor

SHRED

"Onward through the fog!" - Oat Willie
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I'm wondering if there is a ratio of sun to artificial lights of varying types?
A chart somewhere that shows hour equivalency. Like say 1 hr of sun equals 1.5 hrs of T5HO 6500.

Or is it 1:1?

If I have my girls in direct sunlight for 7 hours and
5 hours of indirect sun light is that better than say 20 hrs of T5HO for flowering autos?
 
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