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I'm a bit speechless about that PPM number. I have no idea how those plants are not nute burned to a crisp. I've never done the Kratky method like this, but man, I think your probe is way off or something.

When it comes to LED, White is made from LEDs of blue wavelength treated with phosphor. But they are still biased blue. Blue is the anti-stretch wavelength. Red, and even more so Far Red is the branching / stretching wavelength. Far Red signals to the plant that it is in shade and the plant...

You can either swivel that fitting on your blue level hose 90* and water will come out via gravity, or if not you can use a small pump on the same blue hose running to a drain. If this is a long term setup for you, after you get this thing drained replace the 90* fitting with a tee, add a valve...

Ref 2 and 3 References ^ SC Labs, Cannabinoids ^ Turner CE, Hadley K, Fetterman PS (October 1973). "Constituents of Cannabis sativa L. VI. Propyl homologs in samples of known geographical origin". Journal of Pharmaceutical Sciences. 62 (10): 1739–41. doi:10.1002/jps.2600621045. PMID 4752132. ^...

More info from the lab this morning: We were able to take a look at the THCV in your samples. The response of THCV is well below our limit of quantification (LOQ). There is a very small amount of THCV in both of the samples you provided, so considering the response is below LOQ, we can only...

Thank you thank you

Did you pay for the pdf or have access thru a Uni? There is this one and the red / far red paper that I would love to read in detail but it looks like $40 each for a member of the public. I have read that the writers of the paper don’t get paid a penny of that $40 and will generally send you the...

So the next step is to figure out when to turn on the UVB. I have meters now for UVA + UVB and UVB Only, so I'll do some testing and see what the output is at what distance. But I also need to guess what is the last 2 weeks here. This is an outer leaf on a lower bud of the White Widow that will...

What, I'm on vacation! I do 3 by lunch and 4 more before bed. Don't judge me.

It's ALIVE!!! BTW - did you know that a "varin" is a shorter tail? Look at the 2 photos on the left side, instead of 5 bonds that make up the tail, there are only 3. It never ceases to amaze me that a tiny difference like that, in the universe of cells that is our body, takes that one...

Well, that's gonna take a minute to explain. The most simple explanation is that this occurs while smoking or vaping. I'm gonna be gone for a while and when I come back I'll answer a bit more clearly. Right now I am rebuilding my extraction part of the lab with more counter space and room for...

Can't imagine why? It's just your run of the mill shitty THC blip hybrid bullshit. Nothing special to see here. Now the terpenes? This is where entourage is proven in my mind. Those 2 strains are unidentifiable from each other by cannabinoid profile, however 1 is my wife's favorite, and one she...

I'm wearing out my backspace

The response: Our standard only includes the 10 listed cannabinoids. We have run a THCV standard before, so we could potentially compare your sample back to that. We'll take a look at it and keep you updated. We are still working up the terpene data for sample A, but it is possible that we...

So I thought I'd come back to this and flesh it out a bit more. Sample A is Jack the Ripper that was grown in this thread. B was Shark's Breath, my wife's favorite med that I'm tying to re-create since that cultivar is long gone and refuses to be repeated via other seeds. #1 - they didn't...

So once a year I do a "think week." Stole the idea from Bill Gates. I jump on my motorcycle and go somewhere far away I have never been to before and bring nothing but clothes, cash and books. This year it was Plato's Republic, End of Eternity (Asimov), Darwin's Cipher, The Science of...

I think what is most difficult about your setup is trying to establish a BB colony in 4 different buckets. It's a lot less work to do it in the res and supply all the plants. I think you will find your planned upgrades very worthwhile.

That is badass. I honestly thought this could not be done and end up with a healthy plant. That's bro science for you, people say all kinds of shit on the internet. I'm a pics or it didn't happen kind of guy, I salute you sir. Honestly, this is a game changer for me and my thought process. I...

Hey farmers, I have a lot to catch up on in the thread, I'll try to get to that shortly. In the meantime, I present without comment, although I'm a bit miffed

I'm kinda starting to feel like planet Milson is the culture center of the farm. I just got Neuromancer and Valis in audiobook form, and I have a 3 day weekend working in the basement starting tonight. I had to rip apart my lab a bit to make room for the short path distillation and the nut...