Trays instead of individual pots for indoor growing??

I read the thread of the guy that does sealed rooms Tranoble or something like that and it got me to thinking about his planting method.in his post he says he makes basically a big box about 5.5" deep and fills it full of his grow medium and plants all his plants directly in the same soil. i was wondering if it works for him why not anyone else.My idea is to use 3 34x16x5 plastic tubs(rubbermaid type) to make it easier when it comes time to replace the soil instead of one huge tub.has anyone tried this with any success other than the tranoble guy or whatever his name is?

The only reason I even thought about trying this method is because of my height limitations in my closet grow.saving 8 inches makes a difference with limited space.

Im groing to be growing on a tray, its a big deeper then 5.5 inches but not by much. I havent started yet but hopefully sometime next week It will be a go. Im only growing one plant in this tray tho, so hopefully her roots will just spread sideways throughout the whole tray.

i figure on trying 6 plants per container and see how it works.if it seems crowded then i will drop down to 4 plants next time.i can't see where it makes any difference whether the roots grow down or sideways.

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I can't imagine it making any difference in that respect. What worries me is that there doesn't seem to be much room for rectifying any mistakes with nutes or PH probs. No way to flush.
It may suit someone who's as experienced as him more.

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i hope that nutrient overload won't be a problem as i only fertilize every thire watering with 1/3 of what is reccomended by the manufacturer. it would be nice to be able to flush them with just water about two weeks before harvest though.something to think about.that's what this forum is for and thank you for responding.any suggestions are greatly ignored...just kidding....thank you all for your input. Dee

trays work great. if you can control the heat and humidity well, with lots of airflow, then having no drainage is not a problem. If you are paranoid, drill some holes in the bottom or the corners or line the bottom with Perlite or Hydroton or Lava Rocks to get some air in there.

I think it will work just fine and hopefully better than pots.I've got to get off my dead ass and get another digicam.All i've got now is my webcam,which is fine for a small 6 pack of seedlings but i don't think carrying a budding mature plant across the yard to bring it in to take pictures is anything but stupid.a digicam is definitely on my Christmas list.to explain that ,my growroom is not attached to my house.

Like someone said, maybe put a layer of some medium on the bottem of the trey and it is a nice insurance to prevent over watering or nute problems. Also, roots will grow sideways, up, down, any way but loose.
Adieu

Thanks for your input Bear.I really do appreciate y'all responding to my posts.This is indeed a great site. I think i'm gonna hang out here a while if it's ok.

Not a problem, you'll be giving us the answers after a few grows, no sweat.
I wanted to say, that a decent tray that people use for SOG to put about 6 plants in, and would probably work for you as well, is a kitty litter box with a couple dozen holes in the bottem.
Adieu

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Originally Posted by faithlessxxx

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I can't imagine it making any difference in that respect. What worries me is that there doesn't seem to be much room for rectifying any mistakes with nutes or PH probs. No way to flush.
It may suit someone who's as experienced as him more.

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Yeah I'd have to agree. Tranobe has ultimate control over everything in that room and from what I remember he uses 100% healthy clones everytime. Its only really suitable when you have total control over your environment. In fact when you don't, and your growing on a smaller scale, like mentioned above, I think that you introduce more potential limitations as to what you can do to rectify any problems that may arise. You can't correct any toxicity or deficiency.