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10-13-2009, 07:41 PM #1Senior Member
New Induction Grow light
Hey knna,
Here's the link to them: Shanghai M_land Industrial Corp.,Ltd Take notice of the LEDs, much of what you see on e-bay and from bs marketers of crap LEDs originate here.
Hello bigdutchmen,
I hope I'm wrong about those lights for your sake, so I look forward to your getting them, trying them and then reporting back to us. I looked at induction lights abt 15 years ago and to me there were just fancy fluorecents that had large (at that time) ballasts that could not be remotely mounted, I passed on them then.
As to spectrums provided by chinese companies, I need to pass this on to everybody. When I was building my first hi-powered LED light I had purchased 250 Red 2w Cree's 635nm since I knew them to work well (660nm red was not available) and to combine them with white LEDs. I had done alot of research on LEDs at the time and noticed most whites were driven by a blue die that excited the phosphor. The spectrum output was a blue spike at about 460nm and then a larger sweep covering the spectrums up to reds. I decided to cheapen up the design by using white diodes fron China. I had contacted a couple of mfgs with what I was looking for and one company, from Shanghai, sent me back a quote and included a spectrum analysis of the LEDs and it was exactly what I was looking for. I purchased 100 1w diodes and built my light. First run trying the light was a complete f-up, plants stretched so much they hit the glass enclosure (only have 24" clearence) of the light. I immediately realized I was lacking blue big time. I wound up sending a couple of the white diodes to someone for spectrum analysis and the resulting graph was no where near what was originally sent to me. They completely lacked any usable blue. I wound up rebuilding the light but used T5s full spectrum fluros instead of the LEDs. A couple of weeks later while going thru LED specs again I came across the EXACT spectrum I had been sent, it was on the Luxeum site. The bastards had copied it, put thier name and chinese characters on it and called it thiers. I've had a grudge against chinese crap since then.oldmac Reviewed by oldmac on . New Induction Grow light Note to moderator: If this is considered spam and against the rules, then I apologise, but I thought this may be of major interest to all growers. I am in contact with the manufacturer of the only induction light specifically designed for plant growth and am trying to get this product off the ground and see if it meets the needs of the cannabis community. If there is interest I would be looking for both testers and investors for the USA. Here are the pros of this new light: 1. Low Rating: 5
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