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Old May 15, 2019   #7
Join Date: Jan 2018
Location: Philly
Posts: 659

Seedlings were fine under my viparspectra 450's.
Actual wattage is 320 Watts with bloom and veg at 100%
I ran then with my bloom (red) at 70%. So I'm guessing about 280 Watts per light at 24" or less for 16 hours.
Start by upping the wattage one day then lower a few inches each day, you should be fine.
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