Lighting and Ventilation
1,619 topics in this forum
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- 10 replies
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Hi all any one had any problems with compacts fluros slowing down seedlings ? I got seedlings under 42w mixed cool /warm white's for 6 weeks now and still up 4 leaf stage and in 5" pots and 12" above plants there not old enother to nute temps around 24 /25c humid 70 % the mix is in 70/30 cocoo foam ball mix ph 6.5 there green and healthy what can I do ? I dont have the cash to a HPS my grow box is 1m x 1m x 1m an 5" pots is my only chioce due to the size limet cheer's
Last reply by Tom, -
Large area requires light 1 2 3
by Guest Field_of_Light- 29 replies
- 2.2k views
Ok the basic plan is to do a one off and go nuts on a scrog...the dimensions of the scrog are about 4 metres by 3 metres...what sort of lighting would I need to optimise the grow area........ cheers
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I heard when they have between 6 to 8 sets of leaves..... is that correct? There under 36 watt glow lux tubes atm
Last reply by aka MR nice, -
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i got a hood with my light & ballast that was an 'ablite' like an adjustable 'batwing' one but was rigid & one piece( picture here ) . My grow room wasn't cool enough in the first run, it wasn't critical, but i wanted to lower the temps. So i made this air cooled hood and am changing my idea from an active exaust system to a passive intake arrangement. pic .......
Last reply by white_cluster, -
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Hey guys Even though I’ve seen different seeds grow and smoked them from sensi seeds to xxx serise seeds and whatever. I’ve never attempted my own grow before. now that I am moving out into my own place with a room mate, I only have a 8 by 10 room to grow possibly a bit bigger then that so I don’t have allot of room and I am going to need to grow inside a closet space as the room will be my bedroom so heat is going to be a problem what can I do to reduce the heat off Sodium bulb’s in my closet space . Also is it true what they say about color fluro's flights in growing or is it just a myth? cheers Cronic
Last reply by Seeker, -
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last grow I changed to a 600w sonT-agro, for my 8 week flowering (from 400w sonT), its the only change Ive made, an I have doubled my output from a consistent 8 or 9 ounces to 17 ounces of dryed and manicured filthy Buds . My cupboard measures 1200 wide an 600 deep it has a light rail of about 700 an an air cooled hood, I run an air-con for most (not all) of the time as I live in Darwin woohoo Mozz
Last reply by wassily, -
When to change lights? MH or HPS 1 2
by Guest Field_of_Light- 11 replies
- 1.9k views
There seems to be some debate about when the exact time to change the globes used in the growroom. I am not too sure about this, I have heard change it every 3 months, change it every 6 months, and some that say dont bother changing it for a couple of years as the loss in lumens isnt really going to affect the plant....provided u start with a decent globe such as the phillips in the first place..... BY this I mean 3 months worth of usage etc.... Anyone got any ideas?
Last reply by wassily, -
Wots Perfect Fluro watt
by Guest elefunk_delivers- 9 replies
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Sup guys i was wondering wots the most perfect watt for a clone to root at under 2ft twin tube fluro set up.. ? and dose any1 know if i can buy a 600 hps or 1000 hps (globe only) and throw it into a standard rectangle ballast..? "without me no fryin" and if so how much am i lookn at globes..?
Last reply by pipeman, -
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I couldnt think of any where else to put this, but lately the nights here in brissi are getting cold like tonight I was thinking would it be benificial to heat the area at night? if so would a little portible fan/heater be alright?
Last reply by hydrodude, -
- 6 replies
- 870 views
Hey all I was wonderin can anyone tell me some good places to buy hps lights(ballast lamp bla bla bla)everything I need a place with good prices and reliable delivery? cheers prozac
Last reply by pipeman, -
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Hey all first post here :-D i have 22 9cm tall seedlings under a 400watt HPS how high should the light be from the plants? i dont see very much growth. There in soil BTW. Also please note i dont plan on finishing with 22 plants i plan on flowering only 4 maby 5 if the room permits.
Last reply by Tom, -
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i wanna start growin my own little crop of weed and i was wondering if you guys could tell me about where to buy the correct lights and how much it will cost me? i am all ears oh venerable weed gods*worship worship*
Last reply by pipeman, -
3 x 400watt phillips hps
by Guest elefunk_delivers- 3 replies
- 807 views
Gday ppls.. ive currently got a grow at 3weeks flower at the moment and ive just got my hands on another 400 hps ive got 2 x 400hps lowbays (800watt hps) and i was thinking about settin the extra lamp up..? would any1 b able to tell wot time in the flowering stage should i put it on at..? ive been readin around about adding extra light for the last too weeks to improve overall yeild has any1 tryed it? or should i put it up now..? much respect Ele
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hey, I was just wondering how much it would cost to run somthing like 3 cfs and a computer fan. thanx all high_hoper P.S. how many grams in an ounce?
Last reply by Mr Putard, -
- 4 replies
- 852 views
I am buying a 430 Watt Son T Agro.Yet was wondering if i wanted to use it for clones and that later down the track can i get a 250 Watt globe aqnd put it in it?.Or do i have to get a full 250 watt lighting kit?. Thanks