Quote:
Originally Posted by ChasWG
But it also has to do with how long the lights are on. Remember, the sun rises in the morning and the peak light levels are only there for about 3 hours and then it starts to set and the light levels drop. Growing these plants under lights is rather different. The timer goes on and Whamo! instant light. And within minutes the light levels are at they're peak. And for how long, 8, 10, 14 hours? That duration has an equalising effect. So maybe the lamps are only putting out 1000 FC at 6" distance, but the lamps are on for 12 hours. All these things need to be taken into consideration.
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Very true. What wattage are these T5s
I believe any T5 that is 54 watts is 'HO' and anything else is not...I think this entire HO/NO nomenclature is confusing and pointless.
I was surprised how well T8s were doing for me, even though I do keep my high light plants under a bank of T5s
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