Number one thing wrong ...... You ran the panel with the veg switch ( blue ) only.
You should have run BOTH SWITCHES ON. All the time. All the way til chop.
Individual channels are pathetically weak running one color. I have a Vipar ( still have it ) but moved on to QBs ( Quantums) since then but know what works with this light.
It ACTUALLY pulls 278w @ wall ( kil a watt tested ) so that " 600w " is pure bullshit ,
However IT WILL grow some plants. Height at 18" . I find seedlings will still stretch with this light , so may need to START your germed seed under a CFL , T5 or similar.
Once the first leaf set is done , push her under the Vipar . It Vegs plants like crazy.
Flowering is pretty good for what it is ( one large plant or no more than a pair.
SCROG works well with this light.
It
does not have a good corner / fringe coverage so being in the most intense part of the footprint is a given . 15" to 18" is a height to keep .
It is a noob friendly light, but I liked the buds I got and kept the damn thing since moving on to better lights . There is many trolls hating on this panel , but I used it , I liked it so take the negative shit with a grain of salt.
It not gonna get you pounds but it will get you tight , dense , Terpy nugs.
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I say start another ...