I put some into a 2 bulb shop light fixture as a test. I used these bulbs:
https://www.amazon.com/gp/product/B01C9CMBDK/
They supposedly will work in some fixtures without removing the ballast, but that reduces their life and maybe uses more electricity. It was a pain to get the shop light I had apart, but once I got the ballast out and rewired per their diagram, they made a very nice light. I have it running over a group of 4 15 gallon tanks I have on end on a shelf. I don't have a lot of high light plants, but java moss, anubius and crypts seem pretty happy.
This was partially a test to see how it would work since I have a bunch of shop lights I use for starting seedlings and the bulbs are old and weak, so instead of getting new bulbs I was hoping these would be a better option. More expensive to start, but I think it works great and I'll be converting the rest before starting my tomatoes and peppers next year.
I've also started to use the LED flood lights over tanks as well and really like the more directional light and a bit of shimmer they give you. While it isn't the broad flat light illuminating the whole tank most fluorescent lights and a lot of aquarium LEDs provide, the more directional light lets me have some darker corners for the fish that prefer to keep out of the limelight. I just put these over a 40 breeder and think they work quite well, especially for the cost:
https://www.amazon.com/gp/product/B073J98R8Z/