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Growing in any water culture is like standing on the head of a pin. Far more people fail than succeed. That includes me!! Analogy...... Occam's Razor....... In a chemistry lab, it takes different chemicals and types of energy to perform different reactions....... Physics is true for...

Using only red an and blue will cause some types of problems. The plant will not be able to produce all of the molecules that it needs to be completely healthy. Remember to eat your vegetables!

It's a Cyclptics pre-production reflector with a Elite Agro bulb sport'in 315 watts. Total wattage is about 700 watts in a 5x10 tent. About 30 w sq ft over the growing area. Elite Agro spectrum.

Keep reading...........

Read this. https://www.rollitup.org/led-other-lighting/563118-astir-grow-led-panel-project.html

I've come to the same conclusion!!!!

higher bio efficiency? Looks like it to me. The older the plant the further the internode distance.......no? higher quality bud? Probably........ A larger plant is, well larger and the light has to travel farther to get to all the places it needs to. (SCROG would be an exception)

http://www.allflexinc.com/flexible-printed-circuit.shtml You can have rolls of sticky back of what ever you want, multi layer etc...... Roll out a length, cut it off the roll, solder on your diodes, feed wires, peel the sticky back and stick to the HS. Easy as pie! You could still use the...

Steel wool on aluminum is a no no. Pieces of steel will get attached to the aluminum and cause corrosion. Bead blast. To get the epoxy to stick to aluminum, the surface needs to be rough, or better yet grooved. Carbon fiber conducts electricity. (electrolysis) The expansion coefficient of...

6" fan with a controller should be good. What you are trying to control is VPD (Vapor pressure deficit) Google it, more than temperature. VPD limits are much tighter than temp limits with the plant. Indoor tends to be too humid, possibly causing bud rot and mold. Proper VPD increases...

In the good o'l US of A, I think that this could be done for far less than $500.00.

Way cool!! Looks a little too yellow to me though.

Been there done that...... I ran a Heath Robinson flooded tube for about a year. The only thing that would keep the slime at bay was the tea, or UV sterilizer and H2O2 and even at that, if the slime got started on the roots, it could not be stopped, though you could drink from my rez. Lota...

I'm entertained!!

Nice setup and good fabrication and design skills. IMHO, you could go with a little fuller spectrum. Just red and blue is such a limiting diet. Read this, it's a really good education. https://www.rollitup.org/led-other-lighting/563118-astir-grow-led-panel-project.html

All your questions should be answered here. http://www.fullmeltbubble.com/forum/index.php

Ya, it's cold here too. My babies need the HPS to keep the room above 70 now. I've been wanting to change the HPS out, but it's too damn cold.

Cycloptics would be a better choice for mixing chamber design. That is if we are going to dream!!

I have been using one for about 2 years. Don't totally submerge the probe and you should be good. It is much better than the cheap ones.

For the price, make one and let us know......