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Hi I will not be able to use a cfl, the thing is that I'm working at a company that buys crazy high power leds and I will be able to get one to use, because they are really expansive, LED light with 120 lumens per watt, its used where HID are used like street lamps and stuff... they have options...

Hi folks, I need to choose just one light to grow the weed from start to finish, I don't have money to buy both and change from 6000k to 4200k from veg to flowering. Wich one of the two it will be better to use all the way? Thank you

Hi, I think its due to nutes, I keep my plant more then 6 inches away from the lamp the temperature is about 82F. Today the bottom leaves are yellowish, and if it was light burn just the top ones would be damaged. Thats why I asked before. Should I flush the soil? Or just leave without adding...

Man.... Now the leaves have brown marks on it... I dunno if its over nutes... Something is wrong... The main stem is angled because i was kinda like LSTing but I believe its not that what caused the brown marks...

Hi I have 3 x 27watts on a really small pc growbox. 2 White and one warm white. The box is reflective as hell. I cant fit in any other lamp in there. Here it is

My soil is 40% vermiculite 40% coconut soil and 20% of worm casting. I used nutes of 12 2 9, but still dilluted 1/4 of what the bottle say. I water 2 in 2 days, temp maximum is 85F but normally 80-82, I can't change light is a pc growbox so I need to use CFLs no other options... No money to buy...

Hi all, I'm a first time grower, I have a plant that looks kinda healthy but the new leaves now when they start to grow they shoot up like vertically and then just in a few days it goes to horizontal position. Is it because my plant is too bushy? Or this is normal and thats how it goes...

I believe my soil is neutral or at least was when I first made it. If you just water with neutral solution will that keep the soil ph also neutral? Or it can suddenly change to acidic or alkaline?

I don't have a ph meter... I just spent all my money with the growcase so ph meter in about 15 days I will be able to buy. Also I don't get happy frog here =( sux... I will hold down the watering for now then and no nutes next time... And I will see what happens Thank you all

= ( ... Someone ???

Hi all, My little recent born plant have the second pair of leaves looking like they are sad and thoose 2 round leaves are kinda lime green to yellowish color ( I dunno if this is normal )... My soil is 40%vermiculite 40% coconut soil and 20% a pre mix of potting soil that comes with a lot...

Hi all, Some people say if you are growing with CFLs on veggin state you should only use 6500k lamps other people say that you should have at least one 2700k on vegin, like lets say 3 6500k and one 1 2700k ( of course it depends on the growing space but consider a reason of 1/4 of ure lamps...

I don't think its gonna be possible to cool the house temperature there is no AC, I live in the 6th floor, I open up the windows and that helps a little bit but I cant start opening all windows people might think its strange since I never done that... Basically the temp is just 10F abore room...

Charmwah, I have make some changes on the PC Growbox, I took of a transformer, rectifier bridge and capacitor for the 12v of coolers, that I had inside so I could have just one wire coming out of the box. But transformers heat and they were one more source of heat inside, now I have a cellphone...

Hi Charmwah, They are 3 6500k and 1 2700k, for veg then I will run the opposite for flowering. Man... Crazy, I turned off all my intakes and I got better results then with any other experiment like just one intake or two or different positions and stuff... I let it on for the intire night and...

There are 4 x 27W CFL's I dunno the pc growcase its really small... I run tests with 3 and 4 lamps on and there is almost no diference, I get sometimes just 2º F less then with 4 lamps, it might be a cooler issue I'm currently running right now have tried some tests I've seen that if i take off...

Hi Essex, Thanks for repply, I cant run 120mm fans on the back out take just there is no room for it, just on intake I'm able to run even 3 120mm but I dont think it will be usefull. I currently have total of 84cfm intake and 46 out take. People say that you gotta have more out take then...

Hi all, I have a pc growbox that I had to make it to a minimum size, I'm actually struggling with temperature issues Topic link: https://www.rollitup.org/grow-room-design-setup/330567-extremely-small-pc-growbox.html So its obvious I can fit inside the pc growbox to take measurements...

Hi all, Does anyone know how far from the plant a 150W HID will compare to a 25W CFL 1 inch away from a plant? I assume it might be a lot but just to know... Lets say you have lot of CFLs in a small area, like if you surround one plant with lots of it, can you get the same performance as an...

Wow... crazy, a dude just reply to my thread and I repplied back but its not here now??? What happened? Well still... I just bought a 3rd intake cooler 38CFM i changed with the one in front of the lights and opened a hole on the botom. Now it got a lot cooler more because the fan I was using I...