Stunted growth from PAR level?? HELP!

OP, your light should do you fine for this first run. You'll see what it is capable of, and get an idea of what you might want/like. In a 2x2x4, the 135 watt (or even a 90 watt) Quantum Board from HLG will do you really nice. I also have a 2x2x4 with a 90 watter. It seems expensive, but you will be very happy, and you won't soon find a better light for the money without DIY, imo.

To give you perspective, I had (2) "300 watt" lights from a popular manufacturer both in my 2x2x4, 250 watts actual. I replaced them with a 90 watt QB and I like it better.
 
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