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thats one crazy looking photo shopped spd graph, it really does look like the perfect spectrum, make sure your company gets those end caps glued on the right way!!!!!!!!!!!!!!!!!

T8s are more efficient anyway, they don't even get hot to the touch.

Uhh, this flowering plant is under CMH only? Seems like enough proof to me! That's the nicest looking plant/bud I have ever seen grown indoor!

Instead of buying 4 more Kessils, you should try adding a few 2700K T5 HO or CFL bloom bulbs to your LEDs first. Much much cheaper, and in the long run I think you find out to be much happier.

I'm really glad that people are starting to see the light and are taking the initiative to make this happen for all of us. If I knew some folk in the lighting industry I would have been on this a long time ago. It will be so nice to turn these precious watts into actual super effective growing...

After playing with it and observing, I decided to take the Kessil LEDs out of my T5 grow, since they are more of a "spot light" they do not blend well with the T5s. As I stated earlier(before being jumped on) I think these Kessil spot lights would be a better addition to a CMH or MH, since they...

I'm just gonna post this here too, you can do the math to figure out why, I just added 2 Kessil h150 REDs to my T5 grow to see if it will boost flowering. It's too early to tell as of yet, but I wanted to point out another grow journal that is only utilizing 60w of LED lighting and having...

I just added 2 Kessil h150 REDs to my T5 grow to see if it will boost flowering. It's too early to tell as of yet, but I wanted to point out another grow journal that is only utilizing 60w of LED lighting and having outstanding results. He is running a DIY LED light that has 28 LEDs, 12 which...

Read this and couldn't help but think that maybe this is the reason some of you are having problems with your UVL Red Sun bulbs? I know that no one is using VHO fixtures but if the bulbs aren't being cooled enough there can be a big drop in your spectrum, hence the orange. The red phosphor...

what spectrum of tubes did you get?

LOL Have you had the Romulan before? \What are the romulan's qualities/downfalls if any? ty

Not defensive, realized. LOL I've switched my bulb setup a little today. 5 Flora Suns, 1 actinic plus, 1 blue plus, 1 coral wave, to balance out all the RED from the leds. Oops, I said it. LEDs LOL SO UNPURE!

BTW, posting photos of LED only grown buds in here 100% goes along with the title of this thread. If we are trying to re-create the LED spectrum with T5's, then doesn't it make sense to compare T5 grown buds to LED grown buds? And if someone on the LED side discovers how to grow even fatter...

HOLD THE PHONE WOMAN! I would throw down enough money for 50 of these 660nm bulbs if I knew it was going to be a quality product and isn't going to "leak" or crap out like the red suns have been doing for quite a few people(I've never had a problem with my red suns however). We need a sample...

A lot of people still doubt T5's can produce quality buds. I've even heard it's against the rules in some states to be a provider if you aren't using HID for your grows. I'm not sure if it applies to LEDs or not. The title of this thread would give someone the assumption that a person can...

Forget the 630nm spectrum. There is plenty of it in all the other T5 bulbs including cheapo bloom bulbs. Anyway the correct proportions for 630nm to 660nm is 25%/75%. That means 25% 630 and 75% 660nm. What we need is a 660nm ONLY bulb! I'm sure the red phosphor used to make the 660nm...

I have to agree with this, even though I'm the one the most responsible for flooding this place with LED ideas. What U.C. is trying to say is, let's keep this place as an information source for people that do not have access to anything other than T5's, or are only interested in using one...

I'm not trying to force this 660nm idea on anyone, sorry if it seems that way! I'm just super excited to see some major results without tacking on the heat and added electricity charge, while keeping in mind that it may not work! The science is there, it's proven for the most part although I...

It's going to take some playing around a bit on your end to find the spectrum your plants like best. I would start by adding Zoomed Flora Suns to your fixture in a 50/50 ratio and see what happens. If your plants start to stretch throw in a blue bulb like the Giesemann Actinic plus! Adding a...

Right, which makes them very useful. But those bulbs are designed around the aquarium industry. They are spec'd for illuminating plants that are under water, which require much more blue light unlike terrestrial plants. "Photosynthesis works most fundamentally from red light and secondarily...