Par for seedling

What par do I use for seedlings? It seems to take about a week to start foliage aka leaves that look like mj. Should the par level be under 400? How much do I increase it as time goes?

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I use a


low wattage grow light till they get established, i use a chart from an app that i use.

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Pretty useful chart here:

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300-600-900 seedling veg flower PAR values basic guidelines that I know of

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