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Reload this Page 400w HPS Canopy Penetration?


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Old 12-28-2008, 12:53 PM
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Default 400w HPS Canopy Penetration?
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Hey guys, I'm wondering how many inches deep a 400w HPS will penetrate past the upper canopy. I'll probably have a 2'x4' ScrOG setup going under an HTGSupply 400w HPS system. Thanks in advance!
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Old 12-28-2008, 01:50 PM
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i would also like to know. i have a 6 plant drip tote and one mother in a 2x3 foot area. im getting the 400w mh/hps kit. how deep will the mh and the hps penetrate seperately?
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