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any ideas anyone?

IM thinking about gettin a s&p mixvent fan td 350 which is 350m3/hr anyone kno how much cfm this is? and would it be enough for my 4ftx4ftx6ft grow box? And thinking of using 300m3/hr carbon filter with it would it be okay because it is lower m3/hr than the fan? thanks

ok thanks i heard the passive intake should be about 3x the fan exhaust so ill try that. thanks

Thanks a copule more questions: Do i leave the fan on when the lights off too keep filtering the air and removing it? How many passive vents should i have? ill look into panda film thanks

thanks for re assuring me thought it would probily be strong enough just didnt want it to collapse half way though and kill my first grow :L please send the vid.:) cheers:bigjoint:

I am goin to start my first every grow indoors i am going to buy: 400w HPS/MH light both bulbs one for veg and one for flower. With a cool tube,carbon filter and inline fan. Would running it: Carbon filter > fan > ducting > cooltube > ducting out of room be ok? And planning on building...

Thanks alot i was really worried about turning them hermie so youve cleared alot up for me im goin to wait till its right for me like you said like about mid day and change to hps and 12/12 from there weather the lights are on or not. thanks alot :bigjoint:

so i could go in and change the bulb and set it to 12/12 even wen the plants whould normally be in the dark or halfway through there 18 light? say it was 12 mid day and the lights were on and had 5 more hours till they would normally be off i could go and change it? then start the 12/12 from...

i have been thinking and this is what im gunna do buy a 400w light and cooltube setup with a MH and HPS bulb. When i want to swich from MH to HPS for flowering as i am goin to have a 18/6 cycle for veg do i wait till just after the 6 hours dark. Then open my box change the bulb to HPS and set...

oh ok sorta get it now cheers:eyesmoke:

Ok thanks i was having second thoughts on the tinfoil lol just trying to get my head round the ventilation would the carbon filter go outside the grow room? thanks for the help

Thinking of gettin MH bulb aswell as HPS to use MH for veg and HPS for flower anyone do this??

Hello i am planning to start my first ever grow. I want to grow about 4-5 plants.I have a 4ftx4ftx5ft space avalible and heres what im thinking. Paint it in white or possibly tinfoil all the sides. I was thinking a 400w HPS light with cooltube. Using the HPS light for veg and flowering ...

hi im bak from holiday now how many hours would i need to stop them from flowering?

please post as much information as you can i am going on holiday for abit now and will not be able to log in and check thnk you guys.

in the uk were i am its £10 for a 1/10,£20 for a 1/8,ect up to 160 for a oz can be pretty good stink but every week or so there will be none in my area for a few days

do you grow them under a light inside or is it possible to grow on a windowsil?

no i am planning to start next year but i am trying to get as much information as i can before my first crop . thnkyou for any help

hello i need help preparing for my first crop i am growing outside and live on the isle of wight in england. Right now i need help on wat tim to start/end growing as it will gwt to cold. i also need to know what soil/compost nutrients and seeds to use. also i need to know what to start growing...