Light intensity for the first weeks ? :)
LittleManSmokingWeedstarted grow question 1d ago
Hey growers !
What would be the best light intensity for my autos indoors ? I have 2x Spider Farms SF1000 100Watt with dimmer.
The autos are just in the ground; they were planted yesterday, and I just put the lowest light intensity. But what's the right settings for that stage
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Hermannswaldanswered grow question 2d ago
Hey Bud,
Recommended Settings for the Seedling Stage (Days 1–14)
Light Intensity (Dimmer): 40% to 50% on each light.
Hanging Height: Keep the lights 24 inches (approx. 60 cm) above the tops of the pots.
Light Schedule: Autoflowers do very well on an 18-hour-on / 6-hour-off schedule (some growers even run 20/4 or 24/0, but 18/6 gives them a solid rest period).
Good luck 🍀
00110001001001111Oanswered grow question 2d ago
same as photoperiods... Some low level algebra will lead you to the promised land, lol...
For seedlings i'd start near 30% of what a mature plant would need - refers to DLI, not any particular grow light's setting as that depends on it being a good fit for the tent. Observe and react... you'll need to amp up over a short period of time until you reach full DLI for a mature plant
Read up on DLI (daily light integral - wiki). That math gives you a good starting point, but you always need to observe and react to the growth in front of you.. that is what matters. 35-40 DLI is all you need for ambient co2 and avoiding extreme temp/rh combinations.
The other recent light questions is relevant.. if you need some examples of how to use the information from the wiki.
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