How many watts out of 200 should I use for vegging?. 3 Autoflowers not sure about when to turn up light. Dim now on seedling's st 70 watts. 36". Plan to drop to 24" soon.
Depends specs of light - assuming you’re talking about a standard quantum board?
I recommend this app called Photone - pay 5 bucks for the white led light package and it gives you a pretty accurate PPFD read out.
250 week 1-2 seedling
400-600 veg
500-800 flower
I am using a TS1000 (150 true watts) and I usually go for 25-50% power for seedlings, 50-75% in week 3 veg, 75-100% in week 4 and after that 100% until the end, depending on how the plants react.