Best budget LED fixture?

I can personally 100% can recommend Beamworks or Nicrew for cheap, quality LED lights that will be able to grow low-light plants with ease. Otherwise, I think even trying to get a modular LED light fixture might make sense overall (Aqueon has one where you can buy individual LED strips that can promote light, plants, corals, etc. over time) so you only end up buying what you need or in smaller purchase groups to get the best product overall.