think ya know lighting?

[187020]

Hydrofarm t5 ho

Hydrofarm t5 ho

They're 6400 or 6500k... Solid homie! Get some peace !!

 

[Electrician]

Fluorescents are Fluorescents it doesnt matter the brand. There is only a few manufactures that actually make the lamps. There are 100's that brand them with there own company logo. Kelvin is Kelvin it doesnt matter, go to your local lamp wholesaler and save some $. Get the Kelvin that suites your needs. We use a combo of Kelvin to get a full spectrum for out veg. My .02.

 

[Electrician]

Where are you located? If your in So Cal I have THE spot for T5 Fluorescent Lamps

 

[Phaeton]

I'm doin' this a little ass-backwards I guess, have run the same clone for three years now and keep changing lights around, same nutes also, just lights.
I note all changes large enough to notice without keeping exacting records.
I notice small things and standard residential fluorescents will all grow about the same, differences are minor and from the extreme ends of the offerings. Noticable but not enough to change out existing lights over.

The exception is those $30 aquarium lights, T5 & T8, 420 nm, 460 nm, 395 nm, and lizard lights, 290 nm through 380 nm, and blends of the forgoing. These higher frequency color tubes are almost LED like in their outputs and have profound effects on the plants when used as triggers. They do not add energy but once a critical level is reached, plant response is way out of proportion to the input.
:kitty:

 

[stillsmokin843]

thanks guys so the grow bulbs that are called blue is basically the same as the daylight then right. i have been using 6500 just didnt know if there was a difference between the blue grow bulbs and the reg cfls. i fig 6500k is 6500k but wanted some good opions before ordering. no electrician im not close to ya but i think your place would hae a hard time beating the prices i found at this site if your interested there only like a little less than 40 bucks for 40 t5 ho 6500k bulbs

 

[sso]

fluo´s are basically uv light,its the coating that makes the color.

the coating also diminishes the output.

havent researched it, but makes sense that the lower frequency coatings would put out less light.

 

[twelsch24]

T5's for VEG. I run 1/2 and 1/2 red and blue lights. I just alternate every other tube.

Best of both worlds

 

[stillsmokin843]

good so i felt like a noob with that question but was just wondering because there is such a price difference. between the two i guess one is a grow bulb blue is supposed to be different but then again marketing and bs they probably the same to the plants as the daylight bulbs.

 

[habeeb]

thought about LED for veg, LED is fantastic for veg, and gets the short nodal spacing you like.

would say same heat as CFL

 

[PetFlora]

Ask yourself why LEDs are so popular. It is because you can get spectrum specific bulbs. Mostly mj wants a lot of deep blue in grow and a lot of far red in flower. MOST of the other colors are of little value, except for green, which aids production of chlorophyll A/B.

Think of typical horticulture bulbs as a jack of all trades, but a master of none. HOWEVER, aquarium bulbs are available in spectrums that approximate LEDs. I am beginning to incorporate them with my Quantum bulbs.

Aquarium bulbs average 10-12K KELVIN, run ~ $19/, not that much more than Quantums, which ain't all that, the Grow by far the better of the two.

Bulbs to consider for grow: Actinic (deep blue) Fiji Purple, a good balanced overall bulb and Red Sun, Coral Wave for flower. The CW has both deep blue and far reds. hth

 

[stillsmokin843]

thought about LED for veg, LED is fantastic for veg, and gets the short nodal spacing you like.

would say same heat as CFL

yea i dont see me switching till they have a lil more time out and prices drop im sure they prob work well for veg though.

 

[Phaeton]

I run a 450 nm aquarium HID bare in the budroom. I got my first start to finish plants out last week.
The light did just what the test room indicated it would, jumpstarted oil production, the harvest came in a week early.

Testing showed early oil production from UV, both A and B, 400 nm violet and 450 nm blue. The blue HID was most cost effective and triggers the effect up to 5' from the bulb. Plus the plant can use the blue for energy also, very little from a bare bulb, but the violet and UV only triggered the production, no food value at all.

And that plant? client feedback was nothing short of phenomenal, I was asked if I had changed strains.
No, same plant I have been growing for 3 years, I am just getting to know her better.

I find I am growing similar to PetFlora's grow, at the price of these bulbs and our favorable response...worth thinking about.

Oldmac uses 80 watts UV flash 3 hours a day to get the effect, saves 10 days on his hybrid strain.

Lots of ways to skin this cat, but they all involve shorter wavelengths.

The residential fluorescents will not put out enough high frequency for this effect, wish the cheaper bulbs would work but testing did not find that.:kitty:

 

[stillsmokin843]

well thanks phaeton turns out i think i was wrong not sure yet they were either like 35 a bulb or 35 for a case of 40 sounded way t cheap that why i didnt order them. interesting though on the supplemental lighting in flower to help might have to see if i can through one of my t5s in flower and test this one day