I replaced (20) 8' fluorescent tubes with LED tubes from here:
https://www.ledmyplace.com/
I had existing fixtures that I rewired to eliminate the ballast, but if you don't already have fixtures, these integrated 8' LED tubes look interesting:
https://www.ledmyplace.com/products/t8-8ft-led-tube-60w-integrated-2-row-6500k-clear
They answered all my questions and delivered what I ordered with no problems.