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I guess when I'm talking about cheap chinese I'm talking specifically about LGLED and probably apollo. I did see the thread where the XGS had a higher THC content than the HPS though. I've spoke to the owner of the LGLED company about their spectrum and the only one they have in it that...

Ok so I've read a few of the DIY LED threads and I've read some XGS threads and I've read some cheap chinese threads. All in all I'm not really impressed that any one is better than the other. I've seen them all capable of 1gpw or more. My reasoning for this is because where one product...

Well I think I've solved the quandary. Use the larger LED light panels. I think Ed meant the ACTUAL wattage draw is twice as efficient as HID. Still, you can only grow so much in x amount of space as determined by the genetics of the plant. So, if you're using a decent yielding strain...

I didn't copy and paste any of that but I am not nearly as intelligent as I'd like to be. http://www.aliexpress.com/item/Free-shipping-300w-led-grow-light-full-spectrum-best-led-grow-light-2013-for-growing-mj/941775668.html?tracelog=back_to_detail_a They say they use Epistar, Bridgelux, and...

It seems the most popular panels are the 300-450 watt types. These are generally something like 15" x 8" to 15" x 15". The most common lens beam angle is 120. Here's the problem. The inverse square law doesn't exactly apply here but I wont get into that. On one 300 watt light at 6" distance...

New, that's right, which is why I was saying one could potentially chemically prune the roots and cause increased yield from it..hypothetically.

This is late, but if you're still running the same nutrients...you had a magnesium deficiency causing the curl up/crispy looking tips.

I believe roots will grow to the water/nutrients. Plants have evolved in a soil environment. If you're using something like aeroponics where the efficiency of the delivery system is so much higher than in soil I imagine one could get by with a smaller root ball by limiting space. This could...

I've seen Fatman7574's recirculating nutrient formulas but I was curious if they were formulated with RO water in mind or if they were formulated with tap water in mind? If they were formatted with RO in mind, did he suggest adding in cal mag? Anyone ever used them? his formulas: Fatmans Grow...

It appears I'm wrong about the bacteria. Thank you for correcting me and giving me the incentive to research this. Yes Aeroponics will grow faster than soil no matter what but they will also grow better with inoculation. "Aeroponics (a soilless plant culture method) was used to produce...

I apologize, a sterile environment is kind of a misnomer. All the kings horses and all the kings men could not make an environment completely sterile outside of a lab and even then it's difficult (ever try taking tissue culture clones?) At any given point in time, there is about 10lb of...

Looking back through the different threads I've seen a few recommendations by fatman7574 in using bleach to ward off root rot. https://www.rollitup.org/t/lucas-formula-recipe-from-scratch-really.268790/page-8 post #57 "A teaspoon equal 76 drops. So 1/4 teaspoon is 19 drops. 19 drops is good for...

I'm not saying there is no function to green light, but that it's one indoor growers don't need. The same can be said for far red light during vegetative stages as it primarily passes through the plants and gives them the signal to increase internodal length. The only reason growers were using...

"Perhaps a more complete conclusion is not just that red and blue promote plant development, but also, that green wavebands work against it..... Analysis of this literature base unveils a common theme, that green wavebands tend to temper, if not negate, the effects of blue and red wavebands. "...

I was just reading something interesting and I thought I would share. "Besides photosynthesis, carbon dioxide also affects root growth. The effects of increased CO2 availability on roots have been studied in cultures of beet and safflower hairy roots grown in an enclosed culture system...

I don't mean to bust your big secret..but it looks to me as though you're just using a fabric pot inside the chamber. Just make sure you flush the system so that your fabric doesn't get nutrient build up and cause lock out a couple cycles down the line.

"Plants absorb or reflect most wavelengths of light . Far-Red light passes through; therefore there is a higher ratio of Far-Red to Red light in the shade. Plants use the Far-Red ratio to detect being in the shade; they grow longer stems to try to reach the light. Notice the peak of green in the...

I'm curious who actually came up with TAG or HPA. I've heard that people credit Stoner and NASA but his patent in 1985 was for a system that utilized standard household water pressure. This is from the U.S. patent database. "Because a venturi requires a certain pressure and flow in order to...

I like to learn about all of this stuff purely for the intellectual stimulation it provides. You guys all remind me of Thomas Edison trying to invent the light bulb and your inventions may some day be used to grow other food crops more efficiently which would make the world a better place...

It seems to me that the people who do have success with high pressure aeroponics are the ones who use larger root chambers which allow the roots to grow into the drain water on the bottom? Except I keep hearing people say that there's a lot of bad 'hormones' etc. in the run off or that the...