Quote:
Originally Posted by SG in CR
I don't grow indoors, but here are my 2 cents worth.
1. I think unless you go annoyingly bright for an indoor environment you won't hurt your plants with too much light. Even fairly heavy shade under a tree on a sunny day tends to be far brighter that what we have indoors unless the sun is shining in some large windows.
2. Regarding lights made for aquarium use, I would use specifically those with a spectrum designed for use with freshwater planted tanks. Those for saltwater tend to be very heavy on the blue spectrum.
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If you're looking at this from the standpoint of purchasing your lighting I wholeheartedly disagree. If you're buying lights, buy purpose designed grow lights. The only reason I use aquarium lighting is because I had easy access to it practically free when I ran an aquarium maintenance company. I would only recommend it if you already have it or can get it CHEAP. And quite frankly, artificial lighting is just a stop gap for me until I can get my plants back outside. My intention was to keep my plants healthy over the winter, and I would have been quite satisfied with that. As shown in the thread I linked to in my previous post, the Taotronics panels are certainly heavily biased towards the blue end of the spectrum. Red is definitely more important than blue in terms of flowering, but as long as there's sufficient intensity of good light at the red end of the spectrum, plants will flower. The excess blue does not detract from the red it hides from our eyes. And plants that I leave out in full sun, all day long all summer long flower under them in the dead of winter. I'm not sure what else I could reasonably ask of a light.
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