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Does anyone have detailed instructions on how to create Moroccoan style hash? Specifically I'm interested in kif separation. What do they put over the bowls, how do they prepare the bud? I know there's a silk screen followed by dried bud. What's wrapped around that? Just cloth, and what kind...

Hey all, I'm putting together a small NFT using 4" vinyl fence posts. I'm trying to seal most of the system, and am opting for 1-1/4" PVC for the drain pipes. I thought I'd connect the PVC to the end of each run using a PVC flange, however the flange is 5" in diameter--even smaller PVC pipes...

On my first grow. Hydro NFT. Going splendidly for the most part. For most of veg, I've had a lot of clawing leaves on some plants. I'm growing sativa, and have heard clawing is a bit more common. They're growing prolifically and there's no spotting or any other signs of plant stress. I'm keeping...

Little thread on ergonomics, specifically for hydroponics... what do you do to make your grow area comfortable, easy to work with? You know you should only trim from an aeron, configured to your specifications. My setup is pretty gnarly, lots of twisting and bending and stretching to work with...

Geek request alert. I think it would be great to have a forum dedicated to using sensors, actuators, and computers to remote control or heavily automate a grow. There are probably a lot of stoner makers out there (I'm one). Even if there isn't a big community around this kind of thing, I bet a...

Wondering if anyone can identify what the hell these critters are in my roots. A photo is pretty useless as they're very tiny. They're only a few millimeters in length and look black from afar. Using a handheld microscope, they look like tiny caterpillars. They have a small black head, each...

Hey all, Wanted to share a technique I've found to be very useful. I'm a little lazy when it comes to keeping track of my numbers, so I made a spreadsheet to help. This spreadsheet also acts as a calculator, telling me how many nutrients to add to obtain a desired TDS. This spreadsheet can...

Have a sciencey question... Is there a method for estimating the relative quantity of nutrients consumed in a hydroponics system? When my TDS drops by 100 ppm, how does that correspond to molar loss of nutrient constituents? I imagine some empirical formulas for vegetative vs. flowering growth...

TL;DR -- Is it OK if the pH of your medium changes from the bottom to the top? Does anyone have experience with pH gradients in their medium? I'm running continuous NFT. My plants are in 5" net-pots. I transplanted them in to 3" rockwool cubes (probably won't do this next time), and now have...

Funny observation... several years back I ordered a book on growing. A couple years later my state subpoena'd Amazon for buyer records to assess unpaid taxes. Amazon actually did hand over some records, then won an appeal (so this shouldn't happen again). If you look back at my buying history...

Been reading the seminal work on hydroponics, Hydroponics: A Practical Guide for the Soilless Grower. Stumbled on to some interesting, perhaps counter-intuitive information concerning root mass: Generally, regarding roots of all plants... "The size and extent of root development are not as...

New grower here. Quick background on my setup. I'm shooting for NFT but I'm still in the seedling care stage, trying to develop a nice root ball. My seedlings are now in 3" rockwool cubes. I rigged up a small ebb-and-flow system that ran every few days. Eventually when my seedlings reached...

I've had some wildly different responses on this when asking around and thought I'd ask here. These are 16 days from breaking the surface. Slow growth, roots no longer growing either and there are less than a dozen roots showing. I'm in RO water and started feeding them 1/4 concentrated solution...

Hey all! New grower here having some difficulty. Going to just drop the specs and photos and hopefully someone can help. Medium: Rockwool (24 hour presoak @ 5.5 pH) Water: Homemade RO (000ppm) Light: 4x 100 watt equivalent daylight CFL at 1 foot distance. 20/4. Temps: 70-80 deg at plant level...