when to put under lights?

moxxorax

Well-Known Member

Jul 7, 2008

• #1

i have some white widow seedlings that are about 5" high and doing very well. i have them on the window ledge at the moment but want to put them unbder lights. I have a 400 watt HPS .
How high should the plants be before i put them on 18-6 under the light as i dont want to fry them.
Also , is there much differance in 18-6 and 24 hour light to veg. Does 24 make a lot of differance.

 

420inmyapt

Well-Known Member

Jul 7, 2008

• #2

how many sets of leaves do your seedlings have? how long have they been growing?

 

McLovin420

Well-Known Member

Jul 7, 2008

• #3

24 hours of light gives your plants an extra 7.5 days of light every month. They will grow faster but sex slower, I usually grow them for a month on 24 then switch to 18/6 for a few weeks to get them to preflower before I switch to 12/12.

If they got a couple of sets of real leaves I say go for it. I would keep it at a distance of a couple of feet for a few days then start lowering it closer, unless they start to stretch in which case I would go a head & lower the light.

 

moxxorax

Well-Known Member

Jul 8, 2008

• #4

thanks for your replies guys. Here are two pics of the plants i have. All six are about the same size.
I have a closet grow and these are going to be tranfered to a large grow box that i have used in previous grows.

 

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moxxorax

Well-Known Member

Jul 8, 2008

• #5

been growing for aprox 2 weeks

 

Dirtyboy

Well-Known Member

Jul 8, 2008

• #6

They are ready to be transplanted into larger pots and ready for the big light.

 

420inmyapt

Well-Known Member

Jul 8, 2008

• #7

Fuck yea throw those girls under the real light, they look like they are strong enough to handle some HID light. Just start with your light a little further than you will normally keep it, then move it closer over the first 1 or 2 weeks.

 

moxxorax

Well-Known Member

Jul 8, 2008

• #8

thanks guys, they are doing well up to now. i hope they all come out fems. I used the same seeds for my last two grows and they were all females so i am hoping these will do the same ?.
I t would be nice to try a new type of seed/plant but its so hard to get them without spending lots of money. Still, white widow is a good strong smoke so i can,t complain.
I will be using the same grow set up as last time (pics attatched) It seems to work really well.

 

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420inmyapt

Well-Known Member

Jul 8, 2008

• #9

Looks good man, keep us posted

 

moxxorax

Well-Known Member

Jul 8, 2008

• #10

420inmyapt said:

Looks good man, keep us posted

Click to expand...

thanks man, will post again when i transplant.

 

moxxorax

Well-Known Member

Jul 13, 2008

• #11

plants are in the grow box and under 400HPS. will see how they get on in the next few days.

 

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billywizz

Active Member

Jul 25, 2008

• #12

looks nice mate
just need to get a fan and lower the light abit

 

moxxorax

Well-Known Member

Jul 25, 2008

• #13

thanks..
I have lowered the light and have a fan and they are doing very well.
not sure if i should top them or just leave them. The last time i had 7 plants in there and got around 8 oz.