It’s a 550 r and I think you’re right about it being an older model before they upgraded the boards, but I’m going to get a light meter and see what she’s actually putting out
I purchased this light years ago and never got around to using it. I bought it on eBay and got such a good deal even though it was 220 V. I put a 120 plug on it, but I’m noticing where it usually says our spec on the plastic pieces that hold the light boards in are black and they do not say...
Just some and from bag seeds. Planted and forgot about them. Went away for a week , home for a week , away for a week now this. Not bad. Minor last and barley any defoliation, due to vacation end of July thrown into flower / indoor outdoor grow