How To - Rubbermaid Tub Growbox

:cool: I love DIY projects. Thanks so much for sharing your project...it's great. Now what does the final product look, taste, and smell like?

Thanks again

I should have said how much was your yield not what does it look like...Sorry.

I'm more or less modeling my own growbox on this one. It'll be my first, but there seems to be alot of information here to give it a go. I have a couple of questions;

first would I need to do lst (low stress training) of my plants because of that size growbox?

I've heard two things about exaust/intake. OP says one size, and someone said another. Does size matter as long as presure is maintained?

Are the lumens or amount of cfl dependant on how many plants? I would only grow 3-4 plants while OP seems to have half dozen or more. I happen to have 4x cflu lightbulbs (13w, 800 limens, 10,000 hr life).. Is that enough for that size grow?



I posted a thread in this forum and I hope to get something started soon and not rely on anybody else for my pot.

will that same method thos CFLs work for a open room job?

I just grew a single plant in my box, not multiple. I also lsted the hell out of it. When I chopped it it was like a banzai tree. The canopy took up the entire space. It was vegging for a very long time though. Multiple plants would cut down on the veg time. I also used 6 cfl's that were 26w each(equal to 100w). Really have to watch the heat with that many though. I was up close to 90 once the summer came around. Might be why it was so stunted now that I think about it. I also had 2 small fans inside, one was a little metal desk fan I kept under the plant. The other was a computer fan I kept up high on the roof of the canopy. Halfway through flowering I added another light underneath the plant to get light to the lower parts, but I think I ended up taking it back out due to temps. Not really sure if this helped or hurt though. Buds were light and fluffy but still a decent yield. 2.5-3oz.

Quick question. When you switched to flowering did you change your cfl's to 2700k or did you continue to use the same 6500k lights?

When I did my first grow I used 2700K lights the entire time and it came out fine. This time I'm starting with 6500k and will switch to 2700k for flowering. I may keep 1 or 2 lights as 6500k. I hear having a little of the light at the blue spectrum helps.

what exactly did you line the inside of the rubbermaid tubes with? is it mylar? but Great work man, im seriously considering trying a set up like this now!!

nevermind, i saw that you used foil tape..

Hey guys I had a few questions can this box be used from seedling to harvest without adjusting the light height.

n00b grower here.

I was wandering through HD last weekend, and came up w/the same basic idea, using a 22gal tub, but didn't think about doubling them. Instead, mine is half the height of the OP's, and seems to be working quite well for sprouting/vegging.

For the lining, I used spray glue (about $5 for a 12oz can) and used generic aluminum foil w/the "shiny" side pointed inwards. You'll want to let the glue cure for a couple days after applying the foil, in order to allow the solvent fumes to bleed out. The spray glue makes foil application quite easy, and very forgiving if you misjudge your sheet size. It's also a lot cheaper than buying rolls of aluminum tape.

For my lights, I picked up a 24" dual-tube T5 setup, used a spare computer power cord w/the end cut off, and wire nuts. A 4" 90-degree elbow tube affixed to the lid that came w/the tub is used to route the power cable through, as well as provide passive ventilation. I also picked up a self-sticking thermometer (plastic, thermo-activated color style) and stuck it to the lid as well (8" away from the lights). Running 24/7 I'm finding my temps hold steady at 76F, and the half-dozen new Top44 sprouts seem to be loving it!

I may have to re-think adding another tub on top of this one in the future, but my intent was to use as a first-stage grow-box, moving the plants to my grow-tent when they start getting too big for it.

I used 2 rubbermaids on top of each other it works for starting and clones but for a full grow area not working. Check out my thread called 1st cfl grow its details all I had to go through.