help lighting distance

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g day 2 all , hav been looking 4 thread on light distance ? but havn t had any luck... could any 1 tell me the distance 2 400 watts should b from plant s in resivour system in small room ??? many thanx

[Bree1978]

Here is the way to determine light distance http://boards.cannabis.com/grow-faqs/103185-how-do-i-determine-light-distance-plants.html

Good Luck! :jointsmile: Bree

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im running 2 400 in a space 2.2h 1.4 l and .9 w , do u think 1 could get away with 1 ?

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thanx 4 info bree , many thanx