Light Distance On Seedling

freddog23 said:

i also had questions about the distance from a 400w hps. so you say after the third healthy node you can have them as close as 18 inches aways. i was paranoid and have had them 3 feet since seedlings.

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they are streatching also. have three nodes and on my white widow they only have 2 sets of true leaves

Just wanted to rewive this old post i found it quite funny. Those distances are insane!

Keeping in mind mid day sun is around 10.000 foot candles during summer, starting of with 2500 foot candles is well on the safe side obviously

great chart!