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OK, so All plants use co2 and if you don't provide fresh air then they can't grow. Without intake and exhaust you will run out of co2 quickly. Nonetheless, to read the chart.. Temperature is on the bottom, go from there up to the humidity line and to the right for lb h2o/lb dry air for...

That's positive pressure, you're making the ac fan motor work harder.. Not good. Listen to Gary, if it's small just get like 6 air changes per hour. The dehumidifier will make it hotter and reduce humidity fwiw, but depends on efficiency and how many pints per day

To be real accurate look at the power usage. Watts*3.412=additional btu. Add that many btu/lb dry air from the chart to account for increased temp from dehumidifier

What's your current temp and humidity? Look them up on a psychrometric chart and compare to the rated water removal per day to see what it'll bring you to.

Idk about this triacontanol thing. There was a lot of research in the 70s and 80s leading up to patents. Only one patent didn't lapse with a commercial product in Finland. A foliar spray of 0.005ppm as I recall boosted corn, tomato, and some other crops yield. They didn't describe how it...

I'm saying actual draw, LED grow lights might be 10-15% (offhand from memory) more efficient than HID in power output and they don't have the same penetration strength. Plant count is irrelevant - depends on how long you veg, you'd ideally just want a full and even canopy. Never grew weed...

For those of you who don't know, that's ~16.83 an hour for their lowest paid worker. Forget the news, forget the government (read business) propaganda and educate yourselves. Anecdotal evidence and conjecture mean nothing, results do.

http://fortune.com/2015/06/11/bar-marco-no-tipping-policy/ Restaurant gets rid of tipping, triples profit in two months. "Instead, every employee now receives a base salary of at least $35,000 (plus bonuses based on profits,) health care from date of hire, 500 shares in the business and paid...

totally thought this thread was about to be a diy penis pump by the thread title.

Politics crack me up. Small government? Sure, then there wont be any central authority to stop some rich guy from hiring an army and taking over. Or many rich guys..whatever, we can be like the dark ages with nobles who have castles subjugating the poor. Speaking of subjugation. I find it...

I don't grow pot but I've tried this out with strawberries, I actually caught the neighbor lady picking some and she said they're extra sweet. I told her I love strawberries with cream.

Easy answer for HID, look at it(common sense applies, don't blind yourself). Does the light look "warm"? Then it's predominantly red. Does it look cool? Then it's predominantly blue. Both lights will still contain some of the "other" colors, just not in as great of concentration. If it's...

Lumens don't matter brother as a measurement. They only measure visible light, plants use visible and some invisible light. | VISIBLE LIGHT/LUMENS| |PHOTOSYNTHETIC ACTIVE RADIATION| So I hope that the formatting comes out right on that. Basically, measuring lumens is only some...

Sorry I forgot to add </sarcasm>

And you did it again? Smh.

Well if you all want just an easy source do a search onhttp://www.sigmaaldrich.com/ They carry most hard to find stuff

Did you pH that shit first? Either way you're going to need to drink some vinegar so you can lower your pH and lock the nutes out so your body won't absorb anything. Then you should eat a couple of composting worms so they can eat up all the bad chemical nutes. After that I suggest you go...

I'd recommend a whole house surge protector, they just take up a couple slots in your electric box. Still should have more protection on computers and stuff.

Well, I thought that this video was pretty epic so I thought I'd share it.

You need to have it calibrated once a year too I believe, so better to rent imo.