Start at 30-40%. If she starts to stretch, increase the light. If her leaves Start to fold up like a taco, decrease light. Hard to give exact numbers when every girl is unique. Till you find one to clone.
@Low I don’t think dli is really considered in the first two weeks. Just keep em around 10k lux to start out. Then crank it later. If you learn these meanings and what your light puts out. You won’t need to do all the dli stuff. Old school.
Not the thread I meant to link. But yeah, certain diodes can cause up to ~4% error in lux. Gotta know what’s in your light and capabilities of meter.