spectrum

hi guys and gals and :welcome: to my journal. I'm going to run 4 regular blackout kush (og kush x g13) plants under a led 100 watt grow light. this 100 watt led grow light is actually brighter than my 150 watt hps grow light and it emits nice full spectrum light like the sun. day 1:

Is it more beneficial to run both, MH and HPS at once? i have both ran thru hoods so staying cool isnt issue,just didnt know if the diff. lighting spectrum would trick my young plants into flower as their only 2 weeks from sprout.. thank you M.H- 1000 watts H.P.S.- 600 watts+super lumens...

Oh my... Please add a bunch of these to my wish list. At almost $30 USD per bulb, compared to $6 for plain T5s, these had better be all they are cracked up to be... and if my presently owned and operating Hortilux Blue Eye Metal Halide bulb is any indication, they will be. Here is the...

:welcome: Hello All, I a'm Davano and i a'm thinking about starting my own grow. I would like to grow under a led light, but there really expensive. Now i saw this on youtube: 96w DIY LED Grow Light - How to build it for $57 - YouTube and have some questions about it. First and for-most...

Luminosity has a mean spectral distribution in the green part of the spectrum. All one has to do is multiply the percentage of red and blue lumens by a factor of 2 times to obtain a close approximation to white-green lumens. An example: My 250 watts Blue and Red light fixture indicates...

Back again . just a quick question . What lighting is right for seedling after germination ? I have used a florescent seems to work, and how soon to change to blue spectrum ? Also I found out that feeding every time u water is too much , Is this true ?:thanks:

Ok before we start...yes I know but funds very limited at the moment.... So I bought a galaxy hydro 300w off eBay, very purpleish light and has been working great but my tent (2.5x2.5x5) is a little big for a single light source so I've been looking at a second one. Due to budget restrictions...

Looking for lighting for my Small Veg. Closet. (approx dimensions; 2.5Ft. Width, 3Ft. height, 4Ft. Depth) I was thinking either a LOW W MH (maybe 150w), OR T5H0 Fluorescent, OR LED? I found this in a local ad online. The buyer said he received a lot of them from a supplier for work their did...

Hello, I have few question about light on a pc grow box I want to prepare, How many watt is too much? I want to buy 65w CFL with cold spectrum for veg and to switch it to 65W CFL with hot spectrum for flowering Is it enough, or maybe too much? these CFL are a little bit bigger from a...

I have finally decided to invest in double end hoods and lamps, since one of my nice ballasts was already double end capable, and I was able to get another identical ballast for next to nothing. I am having trouble with bulb selection though. Every bulb I find seems to be the SON-T PIA green...

Hi, i write here becouse probably on this forum i was saw something about spectrum (i forget where i saw it). First i want to apalogize becouse my english its not so good. I hope i explain good what i want to say. Then now: I was saw here something like a "calculator". Its calculator with...

We all want the sun to be in our grow room but physics wont allow that. Beside burn us all its not possible. So we purchase lights that we here and think are the best. Ive recently added a forum about this ( Lumens Vs Color Temp? ) and now I have something more that will blow your mind and make...

if,,, "6500k is for the VEG Spectrum. The others are "MID" spectrums or in between. IF you use the MID-range bulbs (4100) then also use the 6500 and 2700s for a balanced spectrum." and "The higher the number, the more bluish the light. 4000K-7000K is mostly on the blue side of the spectrum...

so im a grower on a budget and so far what i have been doing has been working. im just slightly curious as to wether the fluorescent tubes im using are the wrong time for the wronge stage. so i got some aquarium lights because they are supposed to help plant growth as well and it seems to be...

Because the lights in any grow room are incredibly bright, i would prefer to avoid them altogether. I heard it is possible to use a light emitting only green of the color spectrum. and it won't interrupt your light cycle, since obviously it would be used when the bright ones are off. Is this...

I just started my first bloom a month ago. I had a single HPS 1000 lighting six small "trees" in a room 8'X6'. I noticed that in the first two weeks the plants directly under the HPS had put on about twice the amount of fledgling buds, while the "wings" on either side were lagging behind. I...

Okay, so someone i know wants to start growing, and they have this new 500w halogen grow light, and some cfl tubes. My question is if you put the grow light a few feet above some plants, and cfl tubes around them for the spectrum would this work or help? I know something about cfls being about...