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I think the fact that Upnorth decided to conveniently overlook all the intelligent responses to his post speaks volumes about him. The original post was childish as was the follow up. Typical Liberal vitriol.

Well, since these are the ranges in which photosynthesis occurs it makes sense that a lamp that emits more of this light would be more effective than one that emits only a small percentage of its total output in this range. Anything outside these areas is waste.

Thanks, but would you tell me what the headings mean? Where did you get these figures?

Hanimmal, I am glad you decided to think about what I wrote. I have no problem with people who disagree with me - only with people who chose verbal combat over understanding and clarity. When done a few times I often assume the person is incapable - perhaps I was mistaken. The last part is...

First thing first - you are describing economic equality which is far different from social justice. If we use the term "justice" be it social or any other, we necessarily imply freedom because without freedom (the most basic tenant of justice)there can be no justice. Economic equality is the...

Hanimmal, most of what you posted above is nothing but incoherent rambling and the only thing you are demonstrating is that this conversation is out of reach for you. Before you brought up fighting ability, saddled that tangent and rode it into the sunset, I was explaining the roots of...

This is exactly the point and the answer is no. Humans get all they need from food assuming their diet is not super bad. Supplements are largely a waste of money in most cases. And you can not put steroids into the same category. Plants, like humans have basic nutritional needs. Sure, the...

What I'm saying is that according to all the literature, photosynthesis is driven by light from two points in the color spectrum. 425nm-475nm and 650nm - 700nm. If one were to use a light that emitted only 500nm - 600nm, very little growth would occur. According to the published graphs...

Who donated to the Haiti relief effort? I gave a small amount to Doctors Without Boarders and i plan to give more. I know everyone here has $5 for this cause.

Different manufacturers use different conversion formuli to convert EC to PPM. You are far better off just sticking with EC. Your EC can be anywhere from 1.2 to 1.8 for hydro - 1.5 is good and will jump up on you as water is consumed. You may also see EC expressed in micro Semens as opposed...

Can you attach your spread sheets? Also, I'm wondering how you got the figures you did earlier because based on relative energy I found the CMH to put out something like 15 times as much light in the one useable peak and 3-4 times as much in the other over the HPS. The difference in overall...

Glad to hear someone is doing a trial. I might also bud a plant under the 250W blue MH for comparison. From the graphs it is clear that the CMH and the Hortilux Blue emit more light in the ranges used for photosynthesis. Does anyone know what the Y axis ("relative energy") actually means...

No, I'm no noobie. Forget the watts - the Lumens are the same the way I have them arranged. The key is that the MH is a 6500K bulb. The difference seems fairly clear - way more bushy and the leaves really reach for the bulb where as with the HPS they just kind of hang there. I might just...

Doesn't matter. However, if you are growing in hydro you want to keep a mom in soil in case you lose your crop to root rot or something. You can bud the mom as long as you have a clean cutting ready to replace her. It's just a fail safe to not lose a prized strain.

Na, you are dealing with very large numbers. There are many studies similar to the one I posted. You have to assume the same variances occur equally on both sides. The Right gives more by a significant margin across the board. And the Left wants to give more of YOUR money across the board.

Hanimmal, see if you have the capacity to abandon your assumptions and think about what others say. I know that you are being closed minded because you have resorted to mere nay-saying. What you are doing is throwing spaghetti at the wall to see if you can get something to stick and in this...

There are a million ways to give to charity. Toy drives, food drives, school supply drives…telethons, walkathons, and dance-athons. But just who is doing the giving? Three quarters of American families donate to charity, giving $1,800 each, on average. Of course, if three quarters give, that...

OK, I did some reading and it appears that the important wavelengths for plants are 425nm - 475nm & 650nm - 700nm. The CMH bulb in a 4000K color produces around 15 times more relative energy in the blue range and 3-4 times as much relative energy in the reds than does a bulb such as the Sun...

So UB, you are saying that sheer light output trumps color? have you also tried an all MH grow?

Has anyone noticed that while DoobnVA appears to be gone, a number of other screen names have appeared that seem an awful lot like him. I have no doubt PadawanBanter is the same guy as or old pal Doob and Hannimal might be as well. There is also a guy called Osoheil or something that bears a...