https://www.amazon.com/Surpsun-Spectrum-Lights-Growing-Hydroponic/dp/B08JPSKP19/ref=mp_s_a_1_4?crid=S6JPBJAML4R&keywords=600w+blurple&qid=1645383917&sprefix=600w+blurple+%2Caps%2C56&sr=8-4

Also can I say how surprised how strong some of these blurples are in terms of output. I was thinking 400-500 at 18 inches.