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I'm guessing any burn is nute burn...even a hotspot from the reflector seems unlikely at that distance. I have a unit that I rigged to run 8 CFLs out of at once...no cooling for it, and I can damn near rest the bulbs on my plants and then leave them there for hours before they will cause any...

Just make a point to crap your pants as you greet your parents at the door each time. They will be so distracted they will never think to ask questions about the humming box with lights and strange smells coming out of your room. They /may/ start wondering about possible mental deficiency though.

The switching of light itself isn't going to do it...but you have to keep in mind the wattage difference between those 2 lights. If you had enough plants going/big enough area to warrant a 1kW light, then the switch to the 175W lamp would have been only a fraction of the light needed for said...

I am curious too. I recently planted 1 L.A. Woman, 1 G-13 Labs Super Skunk #5, and a seed from an old outdoor strain I have known as Garden Peninsula Green. Like an idiot, I forgot to label which was which after planting them. Out of those 3 seeds...2 germinated fully (I was going to try...

A relative of mine used to have a half dozen of those things (many, many years ago). His only real complaints were power inefficiency, and of course initial cost vs results. When I started working on indoors grows I had actually asked him if I could buy them and he strongly urged me to just...

Well, the 600W lamps are actually more efficient than a 1kW....not that they give more wattage, but the lumen/watt efficiency is a bit better in them. In fact, the 600's really seem to be the way to go to maximize efficiency...more efficient than both the 400w and the 1000w. You might want to...

I think you'd have to do some evil stuff to your plant to have it just DIE on you one day while you were gone...now, over the course of a couple/few of days is a different story. The pics don't look bad...just a tiny bit of tip curling and it doesn't seem to be happening to all the leaves. I...

::nod:: Pretty much what has been said...a 1kw HPS is a bit strong for seedlings. Most suggest using CFLs or Flouro tube lighting for starting seeds and for a bit after that, because they are more prone to damage from heat/light than larger plants. You shouldn't give nutes to seedlings and...

You should usually see yellow in the ideal ranges...if you are getting green to blue, then your ph is too high....orange to red and it is too low. Personally, I use Lemon Juice to lower my ph and Baking Soda to bring it up. Just add little bits at a time, mix it in, wait a minute or two and...

You can buy electric double boilers...they sell them for doing stuff like melting chocolate and whatnot. Here is a link to a cheap one for making high end cooking sauces for 20 USD... http://www.bedbathandbeyond.com/product.asp?order_num=-1&SKU=16821004 (Not sure if an actual fondu pot would...

The following is an excerpt from a report by the Department of Landscape Architecture at Akdeniz University in Antalya, Turkey. If you would like to read the entire paper, you can find it here... http://www.pakbs.org/pjbot/PDFs/36%281%29/PJB36%281%29065.pdf Note...they were using different...

Looks like you just had some early problems with ph being too low, causing nute lock and burn. The ph being off by a factor of 1.0 might not seem like a significant factor, but it is. Ph 5.0 is 10 times more acidic than 6.0...so a seemingly small amount can make a big difference, especially in...

Its a little hard to tell from the color of your lighting in the pic, but the problem in your pic look a lot like this...which is described as being a likely over fertilization problem in the sticky threads at the top of this forum. ::shrug:: Just taking a stab in the dark though. If you can...

I'd always used the paper towel method myself, until a friend recently talked me into germinating straight from rockwool cubes. Personally...I still prefer the paper towel method. I take a couple of sheets and fold them to approximately the size of a plastic sandwich bag, soak them well, then...

Just use some cheap CFL's for your seedlings until they get a bit of size, then switch them to a higher power light. Its a good way to keep from frying them (whether the issue be heat or lumens), and it may help fight the stretching a bit (at least until you switch them). CFL's are good at...

What exactly do you think happens to normal compost products? That is how you make compost...get things wet, and warm, and let them sit and rot. The idea is that bacteria and other decomposer organisms break down the complex molecules that form living tissues and whatnot, leaving behind...

You can try this place for seeds. Never tried them myself, so I can't give an opinion. I've read that Salvia grows best from cuttings...but since I've never tried I'm just talking out my ass. http://www.salviasupply.com/index.html (Bah, always forget to add my links when I first post)

That is a good point Aubud. One may notice the intensity loss in a conversion bulb. (That may depend on the exact bulb too, for all I know). Personally, I think the better way to go would simply be to keep looking on Ebay and similar sites for an HPS lamp while using your MH for Veg. You'll...

I had the same thing happen in a DWC setup I was using once, and it was all a result of the water PH being too high. Things work a bit different for hydro vs soil though, so I can't say for certain if that is the entire issue you are having. I think you are overdoing it with HPS lights on...

1) Don't use foil, it creates Hot Spots...think along the lines of using a magnifying glass to burn ants. Even white paper/paint is better than aluminum/tin foil. 2) You might as well bump up the wattage on all of those bulbs so they are the same...27 watts. (Or, you can go out and buy the...