Yields From Northern lights Grow Questions

jc0de

Member
what called of yeild can be expected from northern lights nirvana says 400-500 ????? how is that measured Looking for what the yeild would be i have not bought or built anything yet as i know there are tons of variables Suggestions on what setups will get the best yields would be great im reading other post just wanted to post up its all a bit overwhelming
 
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