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how big are your plants? and how long have you been nute-ing them?

Hi there, I have 9 day old seedlings that haven't grown in 4-5 days.. and I noticed that the roots are hardly growing and the leaves are yellowing from the middle and after the veins, what can I do to stimulate the root growth?? it seems to me that the roots are drinking in very little of the...

I backed the lights because I could only think of a few things that could be causing this problem. 1. the ph, and nutrient uptake like you said. but thats only possible if the ph is rising in the rockwool after I water because I always check the ph before I water. 2. the temperature spike...

I dont know what I could be burning them with since Im only using water and ph downer.. except maby the lights but like he said there isnt much heat coming from them. but still I moved them away and the temp is good.. so what could it be???? I thought I created a pretty solid enviroment for...

doesn't anyone have a piece of advice

Hi there I really need your help so I'll start out with an accurate description of my setup since my camera is broken at the moment. and I probably won't be able to get another one in time:-? SETUP: I have 2x Envirolite 250w Fluorescent Blue (I know mh is better but can't get them here) over my...

I'm having a simular problem, but I have a bucket with water and the ph keeps going up 12 hours after I put the downer in. not good

yeah and I don't have I camera yet:?

sorry for the late replies. but I'm growing in rockwool, and it's just discoloring of the leaves, slight discoloring. the only thing I noticed was a temperature drop when the humidifier ran out of water and the heat jumped up. I water when needed try to keep the cubes not to wet and not to dry...

could it be the temperature change? I saw a picture in the plant problem thread that was probably the closest

I have 5 day old seedlings that seem to be starting to yellow from the middle of the tiny leaves.. temps at 77-82 fahrenheit.. moisture at aroun 35-45%... still just using water with ph around 5.8.. what could be the problem:confused::confused::confused:

An ambitious noob in semi desperate need for any constructive input plz:weed: the title pretty much says it.. anyone have experience of both or just the other? I was thinking about going aeroflo30 or something like it, or just a very simple rockwool flood and drain lollipop.. which one...

I'm probably not the right person to be giving advice being as hardcore of a novice as one can be.. but I recommend that you read the plant problems (with pic) thread.. If I'm not to stoned I'd say it's normal in the end of flowering, buds using up all the nitrogen or something.. check out the...

PlasmaRadio your just talking out of your ass, no offence.. first of all cucumbers are 95% water, fdd is the grandmaster but jorge is no amateur so I'd say its safe to say that the range is somewhere around 70-75% give or take a few.. and thats not that far from 80%.. retardation was a bit...

how much would you say it would lose.. have you ever tried to weigh a single bud and then dry it and weigh it again??

a plant yielding 2 ounces dry weight weighs a little over half a pound pre-drying (280g) right? given it loses 80% of its weight.. so I was wondering how much weight could the main stem carry without breaking if it grew to the side towards a hanging bulb.. like in the coloseum or rotary grows...

actually there was someone who tested cfl's, floros and hps all at the same time and the cfl and hps were quite simular in vegging

I'm in the process of building my ubergrowop, I'll post pictures when it's ready and I'm pretty sure its gonna turn a few heads:D.. in a good way I hope.. but I was wondering how much dry weight do you average per plant? also how much dry weight could you get from a 50-60cm (20"-24") big bud...

how about making four walls of green and hanging a bulb in the middle.. with some cfl's on the outside? you get where I'm going? 4 pots under 4 screens, 1 pot under each screen.. am

thx.. what about big bud? has anyone ordered from amsterdam marijuana seeds???? beautiful dog btw, yours?