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how far should a 400watt hps be away from plants
Posted 12 January 2011 - 12:56 AM
I was at the hydro store the other day and dude was testing a 600 watt hps and man oh man was that shit hot. I could feel the intensity from like 8 ft away. But thanks for the info, it'll come in handy when my hps comes in and I start flowering.
their old enough for full light now...hold your hand at tops of plants backside up...if it gets pretty warm on your hand its too warm for the plant..i keep my 400 about 14 inch above plants:smoke:
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