Too much light? Is that possible.

No offense intended but I'm happy we have come so far in 40 years. I'm happy to hear you had success but there's easier ways now :)
No doubt it. Especially now a days that HID lighting is affordable for most anyone. But I have to say I have seen some pretty damn nice results with T-5s as of late. I just started flowering my first plant under an 8 bulb 2 footer. Very excited to see some results first hand.
 
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