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I was wondering what the best ratio of Lumens/sq. ft. for veg. & flower? I heard about 3,000 lumens per sq. ft. but I was wondering if i should keep it there all the way through, or if the plant would like an increase or decrease at some point in growth. this is for the strain "white buffallo" (white widdow x white rhino) I'm not sure if it's more predominatly indica or sativa.
Its meant to be 2000 per sq ft, but get as many as you possibly can. Go for the highest wattage.
As many as possible..
I´ve got 180.000 Lumen on 1.5 meters
if you can give the plants more light than this then do it from the start, im using 4500 lumens per sq ft. the plants do not need a decrease of light. in general the more light the better, unless your using a 1000 watt light in a 3ft square area that is.
A 250 watt fixture will supply enough light to cover a 2.5 foot by 2.5 foot grow area. (6 plants or less)
A 400 watt fixture will supply enough light to cover a 4 foot by 4 foot grow area. (12 plants or less)
A 600 watt fixture will supply enough light to cover a 5 foot by 5 foot grow area. (18 plants or less)
A 1000 watt fixture will supply enough light to cover a 7 foot by 7 foot grow area. (30 plants or less
cool i'm thinking of unning a 1000w HPS w/ a MH conversion bulb in my closet. that would give me
MH--2316 Lumens/ sq.ft.
HPS--3198.5 Lumens/sq.ft.
is the Lumen increase durring flowering a good thing? Bad thing? or does it even matter?
Lumen increase is a good thing -- you want as much ultraviolet radiation as possible to penetrate the plant's upper canopy and get down at lower budsites, and generally deeper radiation penetration [ heh ] for thicker buds.
Rock on!!
Most flowering bulbs are yellowish, so would putting in some blue lighting during flowering do much good? Or even a UV bulb?
Blue light in flowering shouldn't really matter, the plant will still synthesize it's radiation output and possibly aid some in the development of the buds and the overall health of the plant.
As for the UV bulbs, you want UV-B bulbs. They're fluorescent lights designed to produce more UV-B radiation than a standard light, even for growing. They're intended for pets -- reptiles -- and such. In a study [http://www.hempfood.com/IHA/iha01201.html], cannabis was subjected to high amounts of UV-B radiation. The study concluded that under high levels of UV-B radiation cannabis produced greater quantities of THC. You can get the bulbs in tube or CFL [medium] at most pet stores -- look for the ones that have an output range of 10.0 UV-B.