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Well, it's simple actually. Instead of having any sort of venting, you basically need to have a central air system installed with the cooling coil located in your grow room, and the heat exchange box located outside like a normal central air system. Helicopter flies over, doesn't see your grow...

If you're worried about smell, it won't hurt to pick up a vacuum sealer and use that (there are some decent ones available at most stores these days, foodsaver is the brand I go with). Then wrap the package again + tape it up etc. Then wrap it up like a present, throw in some things like Mr...

Woah. Looks like he has his HPS bulbs simply hanging in between plants. That would allow every level of the plant to receive roughly the same intensity light. Other than that, I got nothing. That's a lifetime of pot in a single grow of only 10 plants...

I can't believe you've only been doing that since early 2009, some of those pieces are hilarious + genius. Bookmarked your store.

Moisture problem. Is it cold outside and warm in your house? It's probably a combination of crappy or no insulation and too high of humidity levels. Clean the walls with bleach, lower your humidity, get a temp/humidity sensor so you can monitor the humidity. 40% humidity during flowering will...

My HPS setup, which I've been running fresh for all of a few days, appears to have a burned out bulb already? -400 watt Galaxy electronic ballast -430 watt Agrosun Super Red with Blue I mean, I've been running this brand new bulb all of a few days, and I come back from using the bathroom...

That's the thing, it would be comprehensive so it would take a few days to write. I think I'll do it over the next month or so... Keep an eye out.

How big is the closet/dresser/cabinet ? That will decide whether I think you should use HPS or CFLs. Maybe a picture would help.

Yes, they can wear out. Yet, a 400 watt bulb HPS setup is warm but not hot if you know what I mean. I take it this is a wire wound ballast and not an electronic ballast? For comparison, I will say that my 400 watt HPS electronic ballast setup+bulb is as warm or cooler than my wirewound 250...

I love to place them in between a paper towel soaked in water, then folded up. Then, I place that on a glass plate and cover the folded towels with a plastic 16 ounce cup so the towel stays moist. That goes on top of my computer tower which is inside a cabinet (nice and warm). They sprout in 24...

It looks very pretty, and very tasty. I'm sure I'd say more if you'd let me have some bongsmilie

Oh, woops. I was giving info on calibrating for PPM meters. Doh. Reading comprehension fail. At any rate, calibrating a pH meter still requires a buffered pH solution, something that you can't make easily at home. The pH of every day objects varies enough that it would be useless to use them...

BMO nutrients? As in the home made crap sold on Ebay? I have no experience with them, but I wouldn't touch them.

The calibration solution is potassium chloride in water, and to make such a solution correctly you would need analytical grade potassium chloride, a milligram balance, high purity water (18M Ohm) and volumetric flasks. So, I would say that no, you can't make your own and expect it to have the...

Congratulations, you have preflowers. That means your lady is sexually mature and can go under the 12/12 cycle at any time.

I don't believe all of the major sales are tracked by homeland security. You can generally find a lot of the raw materials in everyday items and can pay for them with cash. We're not making explosives here, we're peaceful people. Additionally, you won't need to buy pounds and pounds of material...

If they look over fed then just wait until tomorrow. You should have plenty of moisture built up in whatever medium you have the roots in. :peace:

vertfarmer, The pH can be stabilized using a buffer system. I'm sure there are some plant friendly buffer systems out there probably using a phosphate system or similar. I'll investigate. And yes, that is a good point. The fertilizer people make a lot of money off of us, when we could be...

I'd be happy to back calculate a lot of nutrients- and I will in the future for this website. It's just the time involved that can be annoying. So many projects. As for the micronutrients, you may need to purchase them in a ready made mix. Unless you have access to a balance that reads to the...

Hehe. I made that this evening. Except for the hell of it I used exclusively lower fan leaves. Got enough to get high once, but that was it. But anyway- off topic.