• CD Moderators: someguyontheinternet
  • Cannabis Discussion Welcome Guest
    Posting Rules Bluelight Rules

flourescent lightiing - help needed!

DJ 303

Bluelighter
Joined
Jul 3, 2009
Messages
512
Location
where the gigs are
Any lighting pro's out there?

need help!

only available source of lighting is flouro.
found 32w 10000k flouro strips offering a daylight effect.
for a room measuring 2x2 metres in width and 1.5 in height, would these be sufficient?

how many?
was thinking perhaps 4 strips (they are 1.5m in length)
there are 4 main plants.

would it be advisable to change one or two of the strips to a warmer colour, or wait until flowering stage for that?

advise please.

DJ
 
Last edited:
Sorry i have no idea.

Not really that many growers around here touting their knowledge, look at grasscity or ozstoners and they should be able to give you a much better answer.

Good luck with the grow.
 
^
drscience pretty much nailed it IMO, there isn't really much to it..

When it comes to weed you can usually grow something even in awful conditions, but for best results when using fluorescent bulbs the more wattage you can get the better.
 
^Yes but the color temperature is important too. Copy/Pasted from a grow site.
5K - 7K Kelvin: Strong Blue Light
Promotes bushy growth. Ideal for rapid growth phase of plants.
Greatly enhances all-around plant growth when used with super
high output, high pressure sodium or 3K warm metal halide lamps.

4.2K - 4200 Kelvin: Cool white Flourescents
Can be used as supplimental blue lighting when used with a 3K
source.

4K - 4000 Kelvin: Neutral Metal Halide
Best single source for plant growth, producing shorter, bushier
growth than 3700 Kelvin and color rendition. Used in general
plant lighting.

3.7K - 3700 Kelvin: Softer Metal Halide(coated)
This coated lamp is used in general plant lighting and for more
rapid growth than 4000 Kelvin produces.

3K - 3200 Kelvin: Warm Metal Halide
Highest photosynthetically active radiation (PAR) value of all HID
lighting for all phases of plant growth. PAR watts account for the
nutritional value of light and are a direct measure of the light
energy available for photosythesis.

2.7K - 2700 Kelvin: High Pressure Sodium Lamps
Redder color mix, used for propagation, blooming, supplemental
greenhouse lighting.
My appologies if this is inaccurate, I haven't dabbled in growing for years.
 
read: http://weedfarmer.com/cannabis


anyhow, you can use split the spectrum between cool/blue and warm/red over the entire life of the plants, but if you use high-kelvin-only during veg before inducing flowering through the photoperiod, you're generally going to get stockier plants with stronger stems that are capable of holding heavier buds. or at least, that's my understanding from all the things i've read and the people i've talked to.
 
Top