THE TRAINWRECK. Brought to you by thcfarrmer…..

[PlumberSoCal2]

NEW SPROUTING METHOD, ALA SCIENTIFIQUE!


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[ChairmanFester]

TPB made the term "Weed Drugs" legit... I cite precedent.

 

[Ninjadogma]

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[PlumberSoCal2]

FUCKIN CHAT SEZ:

What VPD Actually Means​

VPD = Vapor Pressure Deficit.


In plain English:
It’s the difference between how much water vapor the air could hold (if it were 100% humid) and how much it’s actually holding right now.


That “deficit” controls how fast water leaves your plants — through their leaves (transpiration).


So:

• High VPD = air is dry → plants transpire like crazy → risk of stress.
• Low VPD = air is too humid → transpiration slows → risk of mold or nutrient lockout.

---

The Simple Formula (conceptually)​

You don’t need to memorize it, but just know it depends on:

• Leaf temperature (°F or °C)
• Air temperature
• Relative humidity (RH%)

You can plug those into a VPD chart or calculator and get a number in kPa (kilopascals).

---

Ideal VPD Ranges for Cannabis​

Stage	Ideal VPD (kPa)	Rough Temp/RH Target
Seedling	0.4–0.8	~75°F / 65–75% RH
Veg	0.8–1.2	~78°F / 55–65% RH
Flower	1.2–1.6	~80°F / 45–55% RH
Late Flower (ripening)	1.4–1.8	~78°F / 40–50% RH

If you go too high in VPD during flower, the plants will still grow — but they’ll suck up water too fast, which can cause nutrient burn, curling, or crispy edges. Too low (too humid), and you’re asking for powdery mildew or sluggish growth.

---

Why It Matters in a Grow Tent​

In a tent, you control everything — air exchange, temp, humidity — so VPD is your steering wheel.
If you keep your temperature and RH dialed to your stage’s sweet spot, your plants can:

• Pull up nutrients efficiently
• Avoid stress and mold
• Develop thicker, more resinous buds

Think of it like the difference between breathing mountain air vs. a sauna — your plants feel that too.

---

Quick Grower Tips​

• Measure leaf temp, not just air temp (infrared thermometer helps).
• Use a humidifier + dehumidifier combo if possible — tent air swings fast.
• Check VPD daily during weather changes — especially in small 2×2 or 3×3 tents where one wet towel or hot light can swing humidity by 20%.
• Don’t chase perfection — consistency beats chasing decimals.
  
  FUCK! THANKS CHAT! (I needed to know this too so thanks for reminding me).

And there's the reason I LOVE growing outdoors. I've got like a dozen 9-12 Watt LED's burning 15 hours a day in the greenhouse, a fish tank with a heater and strong pump adding to the humidity, nutes, insect control and other than a roof over their heads is about all I can provide the plants and it seems to work, at least for me

Just flipped her this morning. 8 weeks from now will be my bday

 

[PlumberSoCal2]

 

[Ninjadogma]

And there's the reason I LOVE growing outdoors. I've got like a dozen 9-12 Watt LED's burning 15 hours a day in the greenhouse, a fish tank with a heater and strong pump adding to the humidity, nutes, insect control and other than a roof over their heads is about all I can provide the plants and it seems to work, at least for me
View attachment 2541530
Just flipped her this morning. 8 weeks from now will be my bday

I was just thinking when I was reading through that, just get a shed, don't seal it and let your plants enjoy the natural daily fluctuations. They get their own rhythm going without our help. But you and I grow in So Cal, we have a perfect natural range most of the time, 35-50 in the day and jumping to 70-90 overnight.

And we all send our burnt offerings to the gods that there will be no Santa Ana's until after Halloween.

 

[JIMKSI64]

And there's the reason I LOVE growing outdoors. I've got like a dozen 9-12 Watt LED's burning 15 hours a day in the greenhouse, a fish tank with a heater and strong pump adding to the humidity, nutes, insect control and other than a roof over their heads is about all I can provide the plants and it seems to work, at least for me
View attachment 2541530
Just flipped her this morning. 8 weeks from now will be my bday

This years garden was a waste of time and energy. The only thing I accomplished was to spread first year strawberries over a 3 x 12 area. 3 plants just kept going and going. I had flowers last week. Should be very good plot if the weather in the spring agrees.
This year local we had a lot of early corn turned in and beans grown later. Later corn did ok as we had a nice burst of sun but yields look poor due to late drought.
I think a pot plant and tomatoes have a lot in common. I think any auto I would have put out would not have done well with the early lack of sun.
I will throw tomatoes out again and get free strawberries next year but I think the pot will stay indoors

 

[ChairmanFester]

This years garden was a waste of time and energy. The only thing I accomplished was to spread first year strawberries over a 3 x 12 area. 3 plants just kept going and going. I had flowers last week. Should be very good plot if the weather in the spring agrees.
This year local we had a lot of early corn turned in and beans grown later. Later corn did ok as we had a nice burst of sun but yields look poor due to late drought.
I think a pot plant and tomatoes have a lot in common. I think any auto I would have put out would not have done well with the early lack of sun.
I will throw tomatoes out again and get free strawberries next year but I think the pot will stay indoors

I haven't done this and want to, but a 3D drawing of your yard in something like Sketch-Up and trying some water and nutrient mapping might do a lot for you. I've been looking for a service around here, Mom's down for having it done. I wish I could have a running simulator that is ballpark accurate, man the progress possible!
But there is also a reason one person grows strawberries and sells them all over and another gets good watermelons. And a guy down the road from me a few miles swears by putting his plants on a deck kind of like a tree house up high... he says the tree points out the good sun and nutrients. Nature is crazy.

 

[Ninjadogma]

This years garden was a waste of time and energy. The only thing I accomplished was to spread first year strawberries over a 3 x 12 area. 3 plants just kept going and going. I had flowers last week. Should be very good plot if the weather in the spring agrees.
This year local we had a lot of early corn turned in and beans grown later. Later corn did ok as we had a nice burst of sun but yields look poor due to late drought.
I think a pot plant and tomatoes have a lot in common. I think any auto I would have put out would not have done well with the early lack of sun.
I will throw tomatoes out again and get free strawberries next year but I think the pot will stay indoors

Jalapeños and habaneros and tomatoes are like weed, they just don't have the same rigid flower vs veg cycle. You can keep them year round, give them supplemental light, and if you have a good tomato plant you can take clones of it to make as many as you want and get them ready for Spring instead of taking a gamble with a seed. I haven't had much productivity from the peppers though. They didn't want to flower much this second season and I'm not sure if that improves or not, so this experiment is still going to see if it's worth even making space for them in the shed through winter.

 

[Ninjadogma]

I haven't done this and want to, but a 3D drawing of your yard in something like Sketch-Up and trying some water and nutrient mapping might do a lot for you. I've been looking for a service around here, Mom's down for having it done. I wish I could have a running simulator that is ballpark accurate, man the progress possible!
But there is also a reason one person grows strawberries and sells them all over and another gets good watermelons. And a guy down the road from me a few miles swears by putting his plants on a deck kind of like a tree house up high... he says the tree points out the good sun and nutrients. Nature is crazy.

You do want to plan your outdoor grow space for sure... the irrigation needs and proper soil drainage of course. But also position . For those of us in the Northern Hemisphere, the best spot in your yard is somewhere that gets good and direct exposure toward the Southern skes so it will get less shade on days further away from the Summer Solstice. Then there are the environmental elements. Nearby foliage that could have problematic pests. Trees or telephone wires nearby where birds perch and come to steal berries, and the squirrels, rabbits and rats that all like to snack on weed and vegetables.

So before you do anything with your back yard, sit down, smoka a joint, take a good survey of your space and think about the things that are gonna come at you, and how you can use the space in an advantageous way and fortify it against the things that will ruin everything and make you never want to grow again.

 

[JIMKSI64]

That's a LOT of sevens........

 

[PlumberSoCal2]

Jalapeños and habaneros and tomatoes are like weed, they just don't have the same rigid flower vs veg cycle. You can keep them year round, give them supplemental light, and if you have a good tomato plant you can take clones of it to make as many as you want and get them ready for Spring instead of taking a gamble with a seed. I haven't had much productivity from the peppers though. They didn't want to flower much this second season and I'm not sure if that improves or not, so this experiment is still going to see if it's worth even making space for them in the shed through winter.

I'm gonna give it a go as I've got both and Serranos and I just up potted cloned tomatoes I need to clone all the peppers 🌶 soon but most of my space is dedicated to you know what right now I've got 2 Blueberries in 5 gal pots of coco and a Blackberry the same I need to clone but I've kept my current cherries, both red and yellow from last year seed starts. Grew them all summer, took cuts and allowed them to soak and root, put into solo cups and now into 2 gal fiber pots. We love tomatoes

Hopefully we get another warm year

 

[PlumberSoCal2]

You do want to plan your outdoor grow space for sure... the irrigation needs and proper soil drainage of course. But also position . For those of us in the Northern Hemisphere, the best spot in your yard is somewhere that gets good and direct exposure toward the Southern skes so it will get less shade on days further away from the Summer Solstice. Then there are the environmental elements. Nearby foliage that could have problematic pests. Trees or telephone wires nearby where birds perch and come to steal berries, and the squirrels, rabbits and rats that all like to snack on weed and vegetables.

So before you do anything with your back yard, sit down, smoka a joint, take a good survey of your space and think about the things that are gonna come at you, and how you can use the space in an advantageous way and fortify it against the things that will ruin everything and make you never want to grow again.

I keep a 25' tape measure, pens and paper in my greenhouse Several years ago I mapped out a 6 x 8' extention on my greenhouse on 8.5x11" graftpaper.

Designing a new greenhouse currently. Took me weeks to decide where to put it

I mentioned wiring up plants to the chicken coop yesterday this is what I meant

Took me a week to figure out where to put these girls. 3 GDP x BBHP & 4 GDP x Starry Eyed. I have enough plants visible from above and don't wanna push it so this spot is under a large tree and good place to flower but they're top heavy in 1 gal pots so need to be wired up

 

[Ninjadogma]

I keep a 25' tape measure, pens and paper in my greenhouse Several years ago I mapped out a 6 x 8' extention on my greenhouse on 8.5x11" graftpaper.

Designing a new greenhouse currently. Took me weeks to decide where to put it

I mentioned wiring up plants to the chicken coop yesterday this is what I meant
View attachment 2541573
Took me a week to figure out where to put these girls. 3 GDP x BBHP & 4 GDP x Starry Eyed. I have enough plants visible from above and don't wanna push it so this spot is under a large tree and good place to flower but they're top heavy in 1 gal pots so need to be wired up

Fun fact... in the 70's, the San Diego County Sheriff's Department had a crop duster as their police helicopter for North County. I think they parked it at Palomar. It had the steel frame wings for the spraying apparatus.

Edit: THIS asshole.

 

[JIMKSI64]

Fun fact... in the 70's, the San Diego County Sheriff's Department had a crop duster as their police helicopter for North County. I think they parked it at Palomar. It had the steel frame wings for the spraying apparatus.

Edit: THIS asshole.

Did they use that for large area cal-mag distribution?

 

[ChairmanFester]

 

[PlumberSoCal2]

Fun fact... in the 70's, the San Diego County Sheriff's Department had a crop duster as their police helicopter for North County. I think they parked it at Palomar. It had the steel frame wings for the spraying apparatus.

Edit: THIS asshole.

Come this Spring I'll get the 99 plant license and be set

 

[ChairmanFester]

You do want to plan your outdoor grow space for sure... the irrigation needs and proper soil drainage of course. But also position . For those of us in the Northern Hemisphere, the best spot in your yard is somewhere that gets good and direct exposure toward the Southern skes so it will get less shade on days further away from the Summer Solstice. Then there are the environmental elements. Nearby foliage that could have problematic pests. Trees or telephone wires nearby where birds perch and come to steal berries, and the squirrels, rabbits and rats that all like to snack on weed and vegetables.

So before you do anything with your back yard, sit down, smoka a joint, take a good survey of your space and think about the things that are gonna come at you, and how you can use the space in an advantageous way and fortify it against the things that will ruin everything and make you never want to grow again.

Finding Lead-Sheathed Telecom Cables that Contaminate Your Neighborhood - www.unleadedkids.org

Oregon State University researcher spotlights environmental contamination of obsolete telecom cables. That should spur regulators and legislators to act! You can act, too!

unleadedkids.org

Yeah about those telephone wires... something us public servants were told not to talk about much. But being able to play your yard like an organ... that is something when it's all just kickin together. Again, there are reasons we ended up here together, this interest is shared. Just like my interest in naval matters from 1890-1970.

That's a LOT of sevens........

Play sevens on this page lol

FROM THE ASHES | Hunter Alan Murray

FROM THE ASHES by Hunter Alan Murray, Singer Songwriter music from Syracuse, NY on ReverbNation

www.reverbnation.com

Fun fact... in the 70's, the San Diego County Sheriff's Department had a crop duster as their police helicopter for North County. I think they parked it at Palomar. It had the steel frame wings for the spraying apparatus.

Edit: THIS asshole.

It was in an Airwolf episode.

 

[ChairmanFester]

Someone is gonna snag the #4200 page, quite the forum GET.

 

[ChairmanFester]

Did they use that for large area cal-mag distribution?

They say it's high in nitrogen...