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Got it from hyro store. Bio thrive, it's considered organic. I am having a problem with all my lower leaves and growth drying up and falling off. By this I'm loosing half my crop.The top halves are fine. Anyone use these nutes? It has molases in it.

Open attic. I enclosed a 12x6 area last winter with heavy plastic and reflective insulation on top of the plastic. Opened it up a little, enough to pull some cooler air in with a reg fan. What are the 4" CAN fans and where'd you get them?

I don't have anything to move the heat from the light.It's 400 wts. I didn't understand the importance of this when i bought my set up. I got my plants 2 weeks now under 12/12. I've had to move the light almost three feet above them because they were drying out too fast. As a result right now...

Ok gotcha. My problem is I don't have anything to vent the heat from the light. What kind of stuff do i need to get? And can i get the supplies from Lowes where it's cheaper? I got them in 2 1/2 gallon pots. The temps get up to 90 at times in there.

My light is 400 watts. Switched the lighting to 12/12 two weeks ago. Can anyone tell me what the difference is between having the light 16in away from the plants verses 3 feet? Right now I've got the light raised about 3 feet. Someone told me I need to lower it to about 16 inches from the...

Wow. I was spraying with fertilizer. I only did it 3 times about a week ago. After that I ended up refilling the sprayer with just water. So can anyone tell me, what is the difference between keeping a 400 watt hps light say,16 inches away verses 3ft? And is 50 a good humidity temp?

Humidity reads 50. I switched to 12/12 10 days ago. So I need to move light closer? What is the difference between the 16inches verses 3 feet?

400 watts and 2 to 3 ft from plants. I don't have a air flow hooked up to it. Sometimes it gets 90 up there in the attic. I got a fan in the grow area and 12/12 lights on at night and off during day to keep temps down when light is on.

Ive been using cfl's the past year. Just switched to HPS light a couple of months ago. Got them in flowering stage now. All growth is drying out and wilting from half way down. The rest of the way to top, they are fine. I know normally with the cfl's it would do that 1/4th the way down. But it's...

What generally causes this? They are under 400 watt HPS in beginning of flowering stage. I have them up in attic, gets up to 90 degrees alot. I have to water every day & ahalf. Ive got basins under them that will hold extra water.I also sray them with a mister each time I water. By the time 18...

I know when in veg stage we keep the metal halide light about 2 to 3 feet from them. Is it the same with the hps bulb for flowering stage? Or do I need to pull it closer? Been using cfl's for the past year, just got my set up a while back. Got them ready for flowering stage.

I was using cfl's for a while. I switched about a month ago to HPS lighting. What a difference. They seem to grow so much faster.They also get dry easier. The heat from the metal halide bulb would dry the edges of some of the leaves and they would curl up and die. I've been watering every 2 days...

Ok thank you!

How do you light seal it?

It gets too hot during the day with the lights on. The temp is just right with them on at night. Right now they are in the veg stage. I'm not sure about mixing their days and nights up like that though during flowering stage. I had some in flowering stage back along with the lights like that and...

Wow what a light! I've been using cfl's for a year. This is a huge change. It's only 400 watts. When i go into my grow room, my eyes are sensitive to the light. It's strong! Does anyone have the same problem and are there some special glasses one can use? It almost bothers me to the point of...

I found HID hps 400 watt bulbs at Lowes. It's double cost at hypodronic stores. They have both the HID and hortilux. Is the hortilux so much better and why?

Ok I didnt want to screw it up the first night. Wanted to make sure. Thank you.

I'm in the US. Ok thanks!

I've been using cfl's the past year. I just bought an HPS switchable set up. It gives you the option of using 120v or 240v. I have a yellow jacket power cord i got from lowes. Are these type cords 240v? I threw the plastic paper away that was connected to it back along. So i have know idea.