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Yeah. My CO2 meter went to 1300ppm all of a sudden the other day and I realized it was the roofers melting tar with a big propane torch. You could also just get an old antique style oil lamp.

Haze in a reasonable amount of time is definitely a good reason to grow an auto! I'd love to try fast buds offerings anyway. My last auto was from a competitor and it was terrible!

Ain't nothing wrong with naptha. It's worth putting up with the smell to have no open flame. Luckily you don't have to because zippo sells a special ultra refined fuel that doesn't smell bad specifically designed for the handwarmers, not their lighters. For all I know that fuel is actually...

You could also consider one of these: https://www.amazon.com/Zippo-Hand-Warmer-12-Hour-Chrome/dp/B013HLGTL2/ It burns fuel without a flame. I have no idea how much CO2 it produces, but it's probably not unlike an alcohol lamp.

I looked into it but I went with the minigen just because it's so tiny and I live in a tiny apartment and I never have any room for anything. The problem I saw with the tankless water heaters is aside from their size, they're usually battery powered because they're for camping, so that would...

Not a bad idea. A lot of CO2 controllers have a high temp cutoff so they already double as temp controllers. I plan to remove the induction lamp from the inkbird controller and just run it on a timer a couple hours a day for UV near the end of flower. I'm worried it will produce more heat than...

Whatever, you seem like a major drama queen. Would it _kill_ you to put a drop of hot glue on it?

So you're a tone troll. http://www.paulingraham.com/tone-trolls.html

"Holes in metal or another hard material will often have sharp edges.[5] Electrical wires, cord, rope, lacings, or other soft vulnerable material passing through the hole can become abraded or cut, or electrical insulation may break due to repeated flexing at the exit point of the casing of a...

For taking issue with being called a jerk? Holy fuck.

I didn't call anybody names, jerk.

So then why are you being a jerk?

You can buy a heat exchanger to cool your interior air with exterior air without actually mixing them together. Most people use them to keep the heat inside their homes and still achieve air exchange, but you could do the opposite and seal your air up and dump your heat.

The best humidity sensors in the world are incredibly inaccurate. You can calibrate it and the next day it's wrong again. If you have two sensors they'll start to diverge almost instantly. It's kind of like in chemistry class when they teach you the gas equations, they teach you a simplified...

If they were solid in their place they'd have a grommet. Even if they don't look like they're moving, they're going to vibrate from whatever fan or whatever is vibrating the tent. Cars have a grommet anywhere a wire crosses through sheet metal, and it's not because anyone is tugging on the wires...

I think you've missed the point of my post. You might as well be calculating your desired humidity in millionths of a percent, because you have no ability to actually control anything at that resolution. LST is very close to ambient in high PPFD and low VPD conditions. So low that it's within...

Put rubber grommets in those holes to protect the wires. All you've really done is created a short circuit waiting to happen.

You kind of have to put them at the same distance or the heatsink will shade them out. You shouldn't run a UVB bulb all the time because the plants will just develop a resistance to UV anyway, so if it's too close you can just run it less often.

LOL, so you think the entire nursery industry is potting up just because they enjoy it? No, they do it because it works.

I think I'll do drain to waste in the summer. I am worried that all the heat will conduct out of the water before it makes it through the 50 feet of tubing to the drain, but it's worth a shot.