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it doesn't have to be the attic (not everyone has attic access). it can be a wall into another closet, or wherever the closet shares a wall that won't be obvious (if stealth is any concern at all). just remember that hot air rises, so your exhaust intake should be placed high, higher than the...

"Residential uses of diazinon were outlawed in the U.S. in 2004 but it is still approved for agricultural uses. ... ...In 1988, the Environmental Protection Agency prohibited the use of Diazinon on golf courses and sod farms because of decimation of bird flocks that congregated in these areas...

http://cgi.ebay.com.hk/ws/eBayISAPI.dll?ViewItem&item=110461225190&ssPageName=ADME:B:FSEL:HK:1123

I'm having some trouble building a somewhat similar project. Were the bakearounds made in more than one size? Mine is almost exactly 3 3/4 OD, but the "4 inch" pvc stocked here, is 4 1/4 ID. i'm having a lot of trouble getting a good fit even with the door trim foam, so it looks like i darn well...

alternately: you could smoke it in a vaporizer. no risk of inhaling glass that way, depending on how the vaporizer is set up

water. glass sinks, weed floats.

why not just cut the pipe, and put it back together with a female-female coupler, and, if necessary, some teflon tape?

My thermistors were 55 cents each. I'm OK with using a buck's worth of epoxy to pot them. just shouldn't have used the epoxy PUTTY, or should have used more of it. (since one sealed OK and one didn't) and, 100k @ 25C thermistors were what Dataq recommended on their web page, though the exact...

I got my thermistors, mounted them on the end of some phone cords (10-12 ft each) and I potted the ends with epoxy putty. hooked them up to my dataq D-194RS logger, and tried to calibrate (fresh install of windows 2000, install file from the dataq site called "new194.exe" then i attempted to...

SHADE them.

Here are the new photos...

thermistors arrived. slogging through dataq documentation. decisions, decisions I'll probably just start with windaq lite, and then snoop the port, from qbasic, VB, or Visual c++, or just hook up the RDP as GrowTech suggested. I'd like to eventually get email alert and phone call if something...

I have some 100k thermistors on order, since i'll be using my dataq box, and that's what they recommend on their web site. When they come in, my project will start with temperature, and I'll see if I can get useable TDS readings by shoving steel spikes into the water in my hydro tank. If nothing...

HOW would the sockets be mounted on the hangers? (fighting the urge to channel Joan Crawford...)

Ok, developments. I built a simpler variation on the first rack. I've also built a couple of 3-lamp racks to go over soil pots. (can either be one lamp per pot, or 2-3, depending on how the lamps are aimed) and I used two different ways to make the central lamp raisable/lowerable. Hope to have...

As I said before, the only thing I've actually automated before, was monitoring soil moisture. I'm short on funds, so it may be awhile before I buy a relay board. I need to research ph and humidity sensors, so I'll go for the low-hanging fruit and see if I can do EC/TDS without buying a sensor...

I've only read a little over 10% of this thread, but I noticed a lot of discussion of timers. I'd like to suggest PC-based control as a solution to this problem. something like this: http://www.electronickits.com/kit/complete/elec/ck1601.htm Here is a great thread on automation and control which...

check Dataq for connecting sensors to your computer. http://www.dataq.com/data-acquisition-starter-kits/data-acquisition-starter-kits.htm

If you can dig inside your shed, as you mentioned, why not just dig a cellar inside the shed? nothing gives you free cooling like digging in. also, since heat rises, if you could lower your floor by 2-4 feet, it would give the heat a lot more room to rise and get off the top of your plants. I...

Ice is a hideously expensive method of cooling, unless you live next to a glacier or equivalent. switchone's point is good, plant something that gives good shade cover, vines or trees, to the south and west of your shed. a trellis and grapevine or kudzu, or a stand of bamboo could work wonders...