The spectrum is perfect for weed and while I agree with IR being pretty useless for indoors, the near UV and 660nm reds are very beneficial for flowering, there's only a few IR diodes anyway so it won't make the plants stretch heaps in flower.
In most cases I would agree that Chinese cheap gear is rubbish but the distributor is already setup here so that makes warranty claims easy. They have great reviews on eBay and shipping was fast from their Sydney warehouse and great packaging without 'GROW LIGHT' printed everywhere on it
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Here's some pics to get an idea on the amount of near UV / 750nm reds are used and the 1 plant that's purely for seeds
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Draws about 103W from the wall
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Flower spectrum, 4 rows of 660nm reds and look closely in the middle you'll see 2 far red 750nm diodes, and the 2 near UV.
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Veg spectrum is just the 3000k 5000k mix with 2 near UV diodes. Good amount of blue in the spectrum that keeps plants shorter in veg
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The seeded plant under it in a 3L pot of Coco. Think it's around week 5 or 6 supposed to be a 10 week or so finisher.