lighting question

[allhailthebud]

hey

 

im trying to veg my plants to as big as i can in the next 30 odd days under my 400w, i just had an idea can i put the 130w CF 14,000k light in there too ? for the factor of more light ?

 

thanks

[Frazz]

Yeah go for it, the more the merrier

[Buddy]

If your using hydro and not soil, get hold of some PK13-14 and add that to the mix as well and yes, the more light you can use will most certainly help, and dont forget to include 3-4 days for flushing.

[WantDaChronic]

i believe he is only using the light to vege plants and then put them out, i dont think pk13-14 would do him any good if thats the case

 

but the thing i wanna know is if the light is a MH or HPS, in either case, especially the HPS, you'll be getting a much more beneficial spectrum of light + the increased wattage will make the plants get bigger and grow faster :thumbsup

 

so in short, putting the 130w CF in there is a top idea :smoke

[allhailthebud]

hey guys..

 

yeh i went ahead and put the 130w in next to the 400w, its HPS.

 

if i put my hand about 1" away from the 400w, after about 5-10 seconds my hand feels like its burning. I was thinking of putting a 120mm computer ready fan aiming towards it - good idea ?

 

also, at what height should the plants be from the lights, or should i say lights be away from the plants ?

 

there like a good 20" away atm.

 

Also, since i put the 130w in, the temp has increased, and i will need to get a thermometer. I am growing in soil, and for soil plants what should the temp be ? also, ive got 2 x 120mm fans for exhaust, and 2 x 120mm fans for intake, do you think thats enough ? its still mighty hot in there, i was thinking of getting some bigger fans but running them slower, since it is a stealth grow after all, and my shed cant be making noise.

 

I figured out all the light leeks, i just need bigger fans, any ideas ??

 

thanks

[WantDaChronic]

to cool that grow room down, you need to vent the air completely out of the way of the plants, ie. cut a hole in the shed or something and duct up the fans that suck the hot air out and vent the air outside so the inlet fans cannot suck the same air back into the grow room

[allhailthebud]

yeh i think thats a bit of my problem.

 

i have 2 exhaust fans up the top, and 2 inlet about 50cm below them, and the top i9nlet fan blows in hotter air then the one below it, i still need to seal that up so not hot air can recirculate back into it.

 

i added another fan in the grow aiming at the 400w, it's cooled it down a fair bit & cooled down the 130w too as excess air is blowing towards that too.

 

since i took my plants out of the small as pots, into bigger pots, within the last 5 days, they have nearly stretched 1/3 of there height.

 

do the lights need to be closer ? how far should they be away ? and if the plants are starting to get burnt, can i just add some black side of reflective film to absorb some light ?

 

ta

[WantDaChronic]

yeh i think thats a bit of my problem.

 

i have 2 exhaust fans up the top, and 2 inlet about 50cm below them, and the top i9nlet fan blows in hotter air then the one below it, i still need to seal that up so not hot air can recirculate back into it.

 

i added another fan in the grow aiming at the 400w, it's cooled it down a fair bit & cooled down the 130w too as excess air is blowing towards that too.

 

since i took my plants out of the small as pots, into bigger pots, within the last 5 days, they have nearly stretched 1/3 of there height.

 

do the lights need to be closer ? how far should they be away ? and if the plants are starting to get burnt, can i just add some black side of reflective film to absorb some light ?

 

ta

<{POST_SNAPBACK}>

 

glad your heat is starting to get under controll, maybe you should reverse one of the intakes to make it exhaust air out as well? might help cool it down even further or not, worth a try none the less

 

also, the plants stretched probably due to the increased room for the roots and the extra light, tie them down if it gets out of controll as you wont lose yield and will encourage the branches to grow :smoke

[allhailthebud]

WDC, nah, no need to tie down yet, plants are hooting along since i repotted & put in the other 130wCF.

 

Ill give it a shot with the reversed intake, hopefully it cools it down further.

 

how can i adjust the humidity ? or would i need that whole co2 setup thing.. (worth $$$$) ??

 

thanks

[Buddy]

Aaaah....co2, now your talking.

I have been using computer controlled bottled co2 for years but before that I used to make my own from this tutorial I found somewhere and it worked fine until I increased the size of my garden then I had to invest in a better system.

 

Here's how it goes......

 

* 10lb. white sugar

* 5 gallon clean bucket W/lid

* 4 1/2 gallons of water

* A piece of toast browned and hard

* A table spoon of dry active yeast (for baking bread)

 

First boil the water, (this will ensure clean water) remove from the heat and add the sugar. Stir until sugar dissolves. Let cool until water is room temperature (if you don't let it cool down it won't work). After the sugar water has cooled, float the piece of toast on top of the water. Now, empty the tablespoon of yeast over the toast. After a few days, the yeast will take over the toast and start making bubbles (CO2) in the bucket. After a week, the amount of bubbling (CO2) will increase. Keep the lid airtight on the bucket. CO2 travels up the dispersion tubing, and due to it being heavier than air, falls directly onto your plants. Timing your exhaust, is essential in maintaining an effective level of CO2.

 

But if your having extreem heat issues as your post suggests, this might not be for you. :smoke