I actually ended up making v2 of the ultra-bright light out of 3 7-way socket splitters and 21 100w-equivalent normal bulbs[1]. No fans needed, higher CRI and I got the bulbs during a 50% sale so was cheaper IIRC :)

[1]: https://www.homedepot.com/p/Cree-100W-Equivalent-Daylight-50...