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Im definitely not going to move into LED until the science and specifications are actually accurate and technology improves along with cost effectiveness.

Are there even any LEDs that compare to an HPS yet? And im asking from a point of view that is not willing to spend too much more then the average HPS cost.

Thanks for the replies, a upgrade is possible but not probable for the next few years. I just want enough lighting for optimum growth

As the title suggests, is it possible to adequately ventilate an area this small for a 600w? it it overkill for the area, is a 400 w good enough/best?

I will be updating with the new setup Saturday but until then it has 160 watts cfl.

Ive already done plenty of research with arguments and facts on both sides and I tend to stick with 18/6 because of the dark period and resting period. There is a reason they were created that way and nature intended it so. Thanks so far for the input!

What do you prefer when it comes to lighting? 18/6 or 24/0? This is not a thread to debate, if you want to add something feel free to but I just want to see what everyones preferences is here when it comes done to the statistics? Do more RIU members prefer 24/0 or 18/6?

I am setting up a grow in my closet in a grow tent with 600w of HPS lighting. This will be my first official grow, I tried hydro when I was younger but long story short, it got busted by a parent who didnt live with me at the time and found it one day. Now that conditions are much better and I...

Interesting, I would have assumed that the 4" would be quieter? That was the main reason i was deciding between the two was due to noise level because I cant have any people outside the house come in and find out about it

Thanks for the replies! I will take each into consideration, If i grow 10 seeds to get at least 4 plants, how will I fit all 10 in there while they are growing before they flower so i can tell the sex??

That's what I was thinking, whats the average ratio of male to female plants? I usually hear about 30-50 % plants are male, currently I have 4 plants in seedling form

I am doing a closet grow with a space of 22" by 36" by 63" height and I have 600 watt HPS. How many plants should I grow and what size containers are recommended?

I am currently looking into a closet grow with 600 HID lighting, Start with Metal Halide and switch to a HPS bulb on a digital ballast. Do you guys think it is really necessary to start with MH, does it bring that much improvement? I am going to have a 4"/6" inline fan with carbon filter and...

Thanks, couldn't find one like that!

What would happen if this was done? I always see every site posting that you must start with 18 but this is never found in nature. Or similar such as start 12/12 then move to 10/14. I take it it would be fine since that is natural sunlight time but would it automatically switch ver to flower...

How would one presex, what is the difference between the male and female or what are signs of a male? Time Frame isn't an issue. This isn't for pollinating, but just to grow a hemp plant

As stated in title, I am going to grow some males and wanted to know if its possible to grow and identify males/females before inducing flowers? Reason is bc I want to grow large plants and keep them in veg state

Well I ordered some Northern Lights, lets hope all goes well!!

Thanks ill probably pick up some nirvana northern lights, any suggestions since its just going to be out in the open and it wont be in a small growroom or closet, as for smell I mean.

Hey guys, I used to smoke and no longer do, but because hemp is a great plant I was going to grow one in my chameleon cage for novelty purposes and due to its hardiness to grow and just for the sake of it, but since I have others in the house who are not too fond of the smell of marijuana...