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Is a 200cfm exhaust enough to cool a 50 cubic foot room? It is a 5x2x5ft with a 250w hps. there is a 10x20" filter on the lower side of one wall with a 70cfm fan to help the intake. I just don't want to buy a fan and find out that its too weak and the room be 100+ degrees.:wall: I have...

So what is an interesting question is how long should you actually let them sprout for before you plant them and is that small white string a root or the stem? Do you plant it up or down? I though i would try experimenting but all of the ones i put in rock-wool sprouted so it didn't seem to make...

I am thinking of using my *attic* as a grow space the only problem is that it is hard to make complete walls without seriously limiting grow space. My *attic* has that recycled newspaper material as insulation and im wondering if this will harm the girls in any way? Its not moldy or anything...

I've been reading a lot about CO2 enrichment and am trying some yest made CO2 but all the systems I read about are for larger operations. For the smaller sized areas I figured a paintball tank actually would suffice but then you have to buy some 3 or 400 dollar system and that's just too much...

I have 6 plants growing in a basic DWC using Two 1Gallon totes with a 4" airstone in each. I'm using GH nutes and they are currently feeding on 1/4 strength. Temps run from 70-85 with some DIY CO2 added to the canopy fan for enrichment. Currently they are being powered by one 85w 6500k CFL...

What is the most SILENT air pump available? I set up my basic DWC kit today and the air pump is actually way louder than i thought so good thing it was $8. I dont need a pump that big at all, right now im using a 3w pump @ 1.75PSi and its is adequate. +rep for anyone that can show me the...

First off everyone is welcome to comment on this and advise is always welcome:peace: Okay so at the moment I have one clone growing under 12/12 light that has been under 12/12 since before i cut it so its a bit of an experiment as to what turns out of it. I have two clones in the wing waiting...

Okay so I don't have a camera right now BUT I have seedlings that are about 1/2 - 1". They all are showing their 2nd set of leaves. They were started in RockWool cubes and I'm wondering if now is when I put them into my ebb and flow set up or if I should wait till I see roots coming out the...

If i were to grow on a 12/12 light cycle from seed in a hydroponic system would I give it any vegging nutes or just skip those and start off using flowering nutes? the purpose of this 12/12 is to keep the plants small and limit the leaves. Im considering the Dutch Master line of products.. does...

I read on the forums in a CFL thread growing your seed under 12/12 lighting from the get go and keeping it like that all the way through can keep your plants under 2' and instead just grow one large cola without a ton of nodes and leaves... Source: ---------- How? Just by using the tricks of...

I need to know a couple things about hydro since this would be my first time even trying it. I want to buy a system so that I can have all the componets and basically assemble and plug it in. I already have a room that is 2'1"wide x 2'1"long x 4'2"tall and ample light setup so after doing all...

Mothers: After growing 3 bag seed females I experimented with topping and got good results so im hoping to do this to some again. You notice two of the clones are both the top of plant 3.. kinda cool I think haha. I made the mistake of transplanting them all into one pot...bad decision but i was...

Hi i was wondering if im underwatering or something because one of my plants has developed really high roots that are exposed on the plants own about 2cm. There are 3 plants in one 3gal container and im wondering is 1 Liter (38oz) of water is enough or too much? also there is a solid thin root...

I gave topping a shot today, I read that if you do this it will stunt growth for a couple days? Anywho let me know how I did, I tried it on 2 of my taller plants so that the smaller ones (2-3" shorter) could catch up a bit. Plus if i just screwed up then i didn't do it all of them... ;-) This is...

do you HAVE to use hormones on the tip for a clone to live? is there any ways of just cutting the thing and getting it to grow?

I was wondering if it would be possible to somehow stop a male from pollinating? Like how you cut the sacks off a Hermie... or something like that Anyone have a clue?

This little guy has had a really slow go at growing and the other day the light accidentally dropped on it but only for a second. Now two days later it has these weird black/purple spots? could this contaminate the other trees? I'm just at a total loss as to whats happening. wtf should I do????:?:

So I have 3/32W 6500K 2100lumen bulbs and one 42W 2700K at 3200lumen bulb so 138W @9500Lumens. It honestly hurts my eyes after a while..So I have one light dedicated to each plant. I have 4 plants total, Two are 11.5", one is 9" and the other is 8". the two smaller ones are a lot stock (in the...

Okay so one of my plants has developed some droopy leaves, i figured i would ignore it and just not water the plants for an extended period till its leaves perk back up. This was yesterday, I come to look at them and they all look dead.. did i underwater the plants?? I need help my babies are...

The grow is in soil and its in a giant tub, I managed to get 5 living plants and some are good and others are... eh. Sorry some images are a bit dark the operation IMG00129-20091229-0045.jpg plant 1, growth froze for awhile but came back pretty strong. IMG00130-20091229-0046.jpg some little...