yeah that's enough for start.
I run 16/8 for veg and auto.
i had a few small box with low wattage even a single bulb could be sufficient.
Here some exemple of box i have used for seedlings, clones and flowering small cup as well as micro breeding with colloidal silver
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That's the kind of led bulb you can use.
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i also had a bigger space in a tent with just 4x10W linear led where i used to keep some bonsaï mothers, clones and seedlings.
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Fluo bulbs work well also for veg.