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I have a lot of these crawling all over some coco in one of my planters. I haven't ever seen them before personally but they seem to look a lot like Hypoaspis miles predatory mites. They are about the size of springtails and move just as quickly. I don't know if I should be concerned. Such a...

These buds are getting blasted with HPS and driven the hardest. They look like they can't quite handle it. Can anyone identify the issue? Everywhere else on the plant looks beautiful.

I found these on my vegging plants. I haven't seen them before. They're about the same size as a springtail. Can anyone help me with an ID?

I'm trying to replace GH's Diamond Nectar with much cheaper powdered fulvic acid. I can't seem to find how much of it they use to make the liquid, though, so I'm having trouble figuring out appropriate application rates. Does anyone know more about the GH product's contents, or have experience...

I have four strains sharing a room/nutrients and two of them are now displaying these symptoms. They're entering late-flower (6 weeks in) and the discoloration in the pictures is present on many of the fans extruding from large colas nearest the light. They're planted in coco-based media and are...

I've been running coco for a while now and I like almost everything about it but have one persistent issue: getting the plants and roots up to flowering size (I flip them big) while keeping vigor through each transplant. The problem, as far as I can tell, lies in the fact that coco holds and...

Some of my various dry nutrients have been exposed to humid (70-90% RH) air and as a result I'm worried that some of them may be deliquescent enough to have absorbed water. The CaNO3 gave me the first clue -- leave a pellet of it out in front of a swamp cooler and there will be a droplet in its...

I'm thinking of going the intermediary-kief route in order to drastically reduce my butane consumption (I lack the equipment to do solvent recovery). As I also don't have access to reagent grade n-butane I would expect this to also result in a purer product. My question is - has anyone done it...

These plants were in #2 smart pots under ~166 W each of MH light in a coco mix that dried every ~2 days (inorganic regimen @ 1.7 EC). The room was ~76F at ~55% RH. I transplanted them to #7 smart pots and moved them into a larger space with a lot more light (HPS), a higher VPD (~80F, 50%RH) ...

After filling a res with RO water (EC=0.0) and GH FloraDuo nutrients (which usually have seemed pretty pH stable) I'll end up at about 6.3, which will hold for 4 days before plunging down to the lower 5's, then quickly into the 4's. Past that point I can add Up every day but still can't really...

http://phys.org/news/2013-04-key-ingredient-mass-extinctions-boost.html Has anyone heard of this before? Apparently this researcher found significantly increased growth rates by applying ~1 ppb of H2S.

This is a new strain (kushage) with new nutes (gh floraduo), so I'm not sure what is up exactly. These are one week into 12/12. 800 ppm 6.0 pH top feed into a coco/growstone/rice hull medium draining to waste. ~80F, ~50% RH days Any thoughts?

I love the tea but when I foliar spray it there are spots all over the leaves that look uncannily like PM. While I know it's actually helping to prevent any kind of PM infection, what really worries me is if I train myself to ignore that look someday I'll ignore an actual problem until it's too...

They kind of look like RAs by shape, and the fact that they're crawling on the roots. They're not the darker color I expect, though, and I can't identify the signature "dual tail pipes". These pictures are at 200x and 60x - They look like specks with the naked eye and slowly moving specks with a...

I'd like to start reusing my coco mix instead of starting fresh each time. Unfortunately there are some fungus gnats living there. Their numbers are "under control" for a strong flowering plant, but I don't think it would be wise to expose a new young plant to that kind of root stress. The usual...

This is my first experiment from seed rather than clone. They germinated almost a month ago, and for the last week I've been slowly increasing their nutrients. It's canna coco (6+6 mL/gal A+B) and calimagic (2 mL/gal) for 580 ppm (1.2 EC) total right now. They're sitting under a 1000W MH bulb...

I like to smell anything and everything in and around my garden and try to lock away associations that might help me later. I have an outdoor plant right now that has spider mites. It also has a smell that reminds me of an indoor plant (different strain) from several months back that had a...

How late is it a good idea to spray tea? I would think depending on the brewing process there will be varying amounts of sugars remaining, as well as minerals, and of course microbes.

After germination and sprouting some cotyledon, how long can seedlings remain under a 12/12 light cycle before responding to it by flowering? I was thinking that in nature this may happen naturally as spring's 12/12 is late march, but days quickly get longer.

I've been at this for a few years and I'm increasingly noticing my immune system does not like what it's being exposed to. I know the very oils we're going for are the plant's defense system and allergies are prone to build with increased exposure, so this should not be particularly surprising...