Lighting question??

uwazayn

Active Member

• Aug 23, 2008

• #1

I only have 8, 23w. 2700k cfls on my indoor plant since I started flowering (about 3 weeks ago). I just wanted to know if I should have at least one 5500k bulb also on my plant? Is it to late to add a couple 5500k bulbs, or will the 2700k be sufficient enough? Thanks!!!

 

Dr.Chronic

Well-Known Member

• Aug 23, 2008

• #2

If you have some 5000K or 6500K bulbs laying around then definatelly put them to use but if your considering buying them then unless your loaded i would decide against that. (Full Spectrum 5000K and Daylight 6500K Bulbs) are for vegitation but you are 3 weeks into flowering which would be of no use to you. If anything buy more 2700K light my friend or buy some flowering nutes if you already havent.

 

uwazayn

Active Member

• Aug 23, 2008

• #3

I actually do have 6500k and 5500k bulbs, but I thought it might fuck my plant up since it's been flowering for 3 to 4 weeks.

 

Dr.Chronic

Well-Known Member

• Aug 23, 2008

• #4

No 6500K light is the spectrum closest to the sun which in the end is the best light to grow your plants under.

 

uwazayn

Active Member

• Aug 24, 2008

• #5

So that would mean plants would bud even with more 6500k than with 2700k?

 

Dr.Chronic

Well-Known Member

• Aug 24, 2008

• #6

Flowering is best supported by 2700K but 5000K-6500K is full spectrum light which means it literally covers ALL spectrums from infrared through near-ultraviolent. Or in simpler terms, all wavelengths that are useful to a plant.

 

Dr.Chronic

Well-Known Member

• Aug 24, 2008

• #7

So if you only had the money to pick one bulb to grow the entire time i would pick a 5000K-6500K bulbs. But if i had money in the bank then i would but four 6500K Cfl's for vegitation and then when i switch to 12/12 i would switch those out for 2700K Cfl's.

 

Dr.Chronic

Well-Known Member

• Aug 24, 2008

• #8

2700K Warm White CFL ... notice the yellowish/red

And here is a 5000K Full Spectrum CFL... notice the blueish/white

Notice the difference between the two spectrums. It's easy.

 

uwazayn

Active Member

• Aug 26, 2008

• #9

Cool, thats what I did but I hear everybodys difference of opinion and it gets fucking confusing.
Thanks..

 

Dr.Chronic

Well-Known Member

• Aug 26, 2008

• #10

I think it's best to have a mix. If your flowering use twice as many 2700K's as 6500K's. If your vegitating use twice as many 6500K than 2700K bulbs.

 

Dr.Chronic

Well-Known Member

• Aug 26, 2008

• #11

I have one 27 Watt 6500K CFL, two 42 Watt 2700K CFL's, and one 105W Watt CFL's now and im 2 weeks into vegitation and my plants are beautiful.