Blue light

Is it helpful for quality yield and potency, through a full growth cycle, or is is better to substitute a little higher wattage and worry less about max levels of blue light?

Basically looking at an HLG 320 xl rspec and a 260 qb 648. The 320 gives more watts, but the 260 provides more blue light for veg growth.

Hope that makes sense...heh
 
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