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Thanks. The responses vary a lot in that thread, if anything I'm more uncertain about the conditions that are causing the problem. I think my best option is to flush out the root mat and nutrient solution for a day then see what happens when I add nutes again, adjusting pH after. Think I'll...

Hi guys I posted pictures not long ago of my leaves showing what turned out to be a sign of calcium deficiency. I bought calmag and started foliar straying in the dark cycle and they're not showing signs of improvement. In fact, they're much worse. This is what the majority of the leaves look...

I usually allow ppm to drop with the water level then refill water + nutes to normal. I think I'll stop doing that and get some calmag. Thanks a lot :)

YES! How do I fix this? I've been plucking them out of fear they'd increase chances of mold.

About 5 or 6 here and there out of >100 for some reason. NFT system, 5.7 ph and nutrients fed as per the instructions (CF level normal but on the upper end). Is this a nute deficiency or nute burn? Or something else? Humidity is 60% at the most, almost 2 weeks into flowering. Any help is...

Day 58 from seed, now flipping. Will be buying an NFT system next time. Takes a ridiculous amount of effort to water the plant at the back.

Hi guys I'm planning on having this kind of set-up soon and I'm wondering how you think this might work in terms of heat in a room of about 4.5m x 2.5m squared. I am worried about having the exhaust vent of the air conditioner hanging out of/pointing towards the window but I'd like other...

I'm considering a 1.8kw grow set-up but I'm worried about the heat issue. I understand a decent air conditioner would reduce a standard room's temperature considerably and consistently, but I'm not sure about the temperatures created from an A/C's vent hose if I were to have it hang outside the...

My last grow was a failed attempt at a scrog. I didn't achieve the yield I'd hoped for. This time I'm prepared. 1.2m2 tent 600w HPS + 5" cooltube 5" extractor fan + carbon filter 1.2m2 scrog mesh Strains are Tutankhamun, the highest recorded THC strain I could find (33%) and Super Bud from...

I want to share a transcription of a lecture about free will and determinism. It's one of the series of lectures you'll find in Professor Patrick Grim's course, "Philosophy of Mind: Brains, Consciousness, and Thinking Machines". Discussions like this represent some of the most important elements...

Hi guys, I've read all the posts and there are a lot of varied opinions, which is good. I've been speaking with him recently to discuss the potential yield and before I accepted his money a few months back, I promised to return at least 3x his investment, currency exchanged to THC. Now that's...

If you allow 5 weeks of vegetative growth, I'd recommend 2 plants, each supported by a water tray capable of holding at least 5 litres of water, e.g. a "giant plus" Garland tray. The pots should be at least 35 litres and the preferred medium being rockwool, sandwiched between 2 inch layers of...

Yeah me too, Corso. I felt compelled to look into it after trying to grind what I thought was bone dry weed. It turned out to need another 3-4 days o_O. For larger scale growers: a pretty convenient method of weighing might involve a digital hanging scale hooked up to a drying net. An idea...

Immediately after separating the buds from the main leaves and stems, you'll find that ~15% of the wet weight is indicative of dry yield, with ~3% variability. Source: Green House Seed Co's Grow DVDs Recently a certain seed company have provided several comprehensive grow videos of their...

Ever considered aeroponics? Aeroflo 20s under 600w lights will yield 20oz from seedlings that are veg'd for 2 weeks. That's 0.94g/watt. Thought I'd put it forward as a more efficient set-up.

Harvest is just around the corner and having put in 150 from a total of 450 spent to get it going, what %age of the grow is a fair share for my associate? The yield I expect will fall somewhere between 300g and 500g since it's a 600w grow. Based on what I'm drying right now, I'm fairly certain...

Fans that lead out of the grow area won't cool anything -- they might redirect the hot air but nothing is done to eliminate it. Evaporative air coolers are fairly cheap, but they raise humidity levels by cooling via evaporation. Maybe the heat of your lights can counterbalance the humidity...

Well I could entertain that implication with later attention, but since we're on the subject of non sequiturs: what comparisons are supposed to be made between weed and flavonoid foods? It doesn't follow. Bouquet has nothing to do with taste here, since we're smoking it, and as far as I'm...

Very impressive, congrats on the harvest :) Got a couple of q's if you don't mind me asking: what brand of nutrients did you use and was it a hand watered grow?

Always interesting to hear someone speak from experience. Do you notice a distinct difference in the psychoactive effects from cured weed compared to anything but? I've never experienced a different "type" of high, it's always been a cerebral/head buzz and I cannot stop talking