Which would produce more DO in a DWC?

JSB99

JSB99

Well-Known Member
Cold$moke said:
The only thing extra needed in my oppinon is some movement of the water.


DO levels needed by a plant are pretty easy too achieve.

But the problem comes when circulation of the DO doesnt circulate throughout the root ball


I think of the roots in a similar way as the top side of the plant..leaves use up co2 levels quickly around them thats why circulation fans are necessary in doors.

The roots are similar in that they will branch off when cut just like the top of the plant and will
Use up DO around them and need it replenished

At least in my oppinon im not a botanist ;)
Click to expand...
Good point!
 
Keesje

Keesje

Well-Known Member
Cold$moke said:
The only thing extra needed in my oppinon is some movement of the water.


DO levels needed by a plant are pretty easy too achieve.

But the problem comes when circulation of the DO doesnt circulate throughout the root ball


I think of the roots in a similar way as the top side of the plant..leaves use up co2 levels quickly around them thats why circulation fans are necessary in doors.

The roots are similar in that they will branch off when cut just like the top of the plant and will
Use up DO around them and need it replenished

At least in my oppinon im not a botanist ;)
Click to expand...
You are right.
Maximum DO levels are easy to reach.
Just a bit of agitation and Bingo.
The risk in DWC can be that the water inside the rootball, is not refreshed enough.
Water with no DO stays there.

Some experiment with pumping out the water of a DWC container every couple of hours or once a day.

It is a pity that commercial large scale growers hardly use DWC. Otherwise one could copy more from them, and also benefit more from ongoing studies.
 
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PetFlora

PetFlora

Well-Known Member
Cold$moke said:
The only thing extra needed in my oppinon is some movement of the water.


DO levels needed by a plant are pretty easy too achieve.

But the problem comes when circulation of the DO doesnt circulate throughout the root ball


I think of the roots in a similar way as the top side of the plant..leaves use up co2 levels quickly around them thats why circulation fans are necessary in doors.

The roots are similar in that they will branch off when cut just like the top of the plant and will
Use up DO around them and need it replenished

At least in my oppinon im not a botanist ;)
Click to expand...
I am in communication with O2grow. It appears that nanobubbles stay in suspension for hours, unless/until disturbed (flood cycle). Or, if using RDWC then the emitters would need to stay on

Here's an interesting link

https://steemit.com/steemit/@verbz/fantastic-properties-of-nano-bubbles
 
Keesje

Keesje

Well-Known Member
No, the link is not interesting.
Some company puts out a lot of claims for which they have no proof.

Do you not think that commercial growers for who every extra ounce of product per 9 square foot, and which would mean hundredthousands, or even millions of dollars of profit, would not use this system?

If you believe in it. Fine, but keep it to yourself and don't post it here as if it is all allready proven truth.
 
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PetFlora

PetFlora

Well-Known Member
Keesje said:
No, the link is not interesting.
Some company puts out a lot of claims for which they have no proof.

Do you not think that commercial growers for who every extra ounce of product per 9 square foot, and which would mean hundredthousands, or even millions of dollars of profit, would not use this system?

If you believe in it. Fine, but keep it to yourself and don't post it here as if it is all allready proven truth.
Click to expand...
More proof you can't fix stupid. I've done what I came to do in these 3 threads

There's an old saying "You can lead a horse to water, but you can't make it drink"


See ya, wouldn't want to be ya
 
Cold$moke

Cold$moke

Well-Known Member
PetFlora said:
I am in communication with O2grow. It appears that nanobubbles stay in suspension for hours, unless/until disturbed (flood cycle). Or, if using RDWC then the emitters would need

Here's an interesting link

https://steemit.com/steemit/@verbz/fantastic-properties-of-nano-bubbles
Click to expand...
I didn't read the link


And while i will not doubt the "nano bubbles" stay suspended for hours that doesn't include a plants hungry root ball and getting the nanobubbles to the center of the root mass

Or does it show such things in the.link?
Keesje said:
No, the link is not interesting.
Some company puts out a lot of claims for which they have no proof.

Do you not think that commercial growers for who every extra ounce of product per 9 square foot, and which would mean hundredthousands, or even millions of dollars of profit, would not use this system?

If you believe in it. Fine, but keep it to yourself and don't post it here as if it is all allready proven truth.
Click to expand...
This is why im moving away from rdwc (or at least trying other methods :))

No major ag company uses dwc......i wonder why lol
 
Keesje

Keesje

Well-Known Member
I think they do not use it, because it is not a reliable system for a larger scale.
DWC, rdwc, also F&D/E&F like people on this forum use it.
High maintance for commercial growers, and there are easier systems like a bassin with styrofoam panels with holes.
Ciculating the water every hour and that's it.
Or NFT, also used a lot.
 
JSB99

JSB99

Well-Known Member
Keesje said:
I think they do not use it, because it is not a reliable system for a larger scale.
DWC, rdwc, also F&D/E&F like people on this forum use it.
High maintance for commercial growers, and there are easier systems like a bassin with styrofoam panels with holes.
Ciculating the water every hour and that's it.
Or NFT, also used a lot.
Click to expand...
The equipment is probably expensive as shit!
 
Keesje

Keesje

Well-Known Member
JSB99 said:
The equipment is probably expensive as shit!
Click to expand...
It is.
They are counting in cents, so if they can save a little bit, they will do it.
And maintanance is a big issue.
So they are willing to invest in a system, but once the system is running, it must not be too much of a hassle.

I was in a greenhouse similar like this.
They grow lettuce.
Building it was quite a thing, but maintance is low.



It are styrofoam boards with holes, floating on the surface.
The roots are in the water in the bassin.
There are a few systems to get DO in the water.
Some use just ciculation every hour for 5 or 10 minutes.
Others have constant circulation, and some use a venturi as well. But this last one is not used that much, because there are signs that if your bring oxygen in your water in such a way, it can also bring in diseases.
The last thing I wrote, is how I remember it, but it can also be a bit different. So don't get mad if I am mis-quoting.

They hardly care about temperature as long as it stays in a certain margin.
They also do not care to much about light coming in the bassin. You sometimes see some green slimey stuff.
Also they walk in the bassin with their boots.
 
JSB99

JSB99

Well-Known Member
Threaded my net today. I used 1/4lb Mason line this time. Works great! I'm not really going to do a scrog. I'll spread the branches out, but really, the net's to support the tops.

PSX_20180607_192505-2448x1836.jpg
 
SSGrower

SSGrower

Well-Known Member
Keesje said:
It is.
They are counting in cents, so if they can save a little bit, they will do it.
And maintanance is a big issue.
So they are willing to invest in a system, but once the system is running, it must not be too much of a hassle.

I was in a greenhouse similar like this.
They grow lettuce.
Building it was quite a thing, but maintance is low.



It are styrofoam boards with holes, floating on the surface.
The roots are in the water in the bassin.
There are a few systems to get DO in the water.
Some use just ciculation every hour for 5 or 10 minutes.
Others have constant circulation, and some use a venturi as well. But this last one is not used that much, because there are signs that if your bring oxygen in your water in such a way, it can also bring in diseases.
The last thing I wrote, is how I remember it, but it can also be a bit different. So don't get mad if I am mis-quoting.

They hardly care about temperature as long as it stays in a certain margin.
They also do not care to much about light coming in the bassin. You sometimes see some green slimey stuff.
Also they walk in the bassin with their boots.
Click to expand...
Something could be lower cost but still not feasible because initial investment of the large scale system has not outlived its economic viability.
 
JSB99

JSB99

Well-Known Member
I set up some drippers so I don't have to mix and hand-feed almost every day. I've got adjustable emitters now, but getting them all the same output is a little tricky, so I'm probably going to use low gph bubbler emitters.

What I'm wondering is, with something like 1gph emitters, is it enough to hydrate all the soil in the buckets, or should I think about using a couple emitters, spread apart, at the surface?

PSX_20180609_153136-2448x1836.jpg
 
JSB99

JSB99

Well-Known Member
I switched up my setup. It was too crowded in the tent, and I wanted a much larger reservoir.

I've also got a valve I can use to attach a float valve, to the reservoir, if I want.

PSX_20180610_125923-2448x1836.jpg
 
JSB99

JSB99

Well-Known Member
JSB99 said:
I switched up my setup. It was too crowded in the tent, and I wanted a much larger reservoir.

I've also got a valve I can use to attach a float valve, to the reservoir, if I want.

View attachment 4148993
Click to expand...
I've got a cheapo 15-minute, incremental timer that I'll have run once or twice a day. I have to get bubble emitters that output a fixed amount, then I can time how long it takes before I start getting run-off.
 
JSB99

JSB99

Well-Known Member
Breaking the plain :)
The White Widow on the right, grow so compact that I had to raise them up! I bet they are great for lower height grows. Her smoke is fairly strong, and can induce some sleepy eyes (but not all the time). The Girl Scout Crack is superb! Great day time smoke, and really potent! The Gorilla Cookies is great as well, but not as strong as the other two. I'm a morning to midnight toker, so I'm judging these on the first vape balloon of the day.
PSX_20180612_122207-2448x1836.jpg
 
JSB99

JSB99

Well-Known Member
I was wondering if the cola-heavy branches of a soil grown plant are stronger than hydro. Mainly to see if I should add a second net to support them.
 
JSB99

JSB99

Well-Known Member
I'm a couple weeks into flower, and things are starting to warm up as summer gets closer. Even with my air-cooled hood, and the 440cfm fan on max, temps can hit the high 80s. I'm trying to keep my temps in the mid-70s, which I've been reading is beneficial to the quality of the bud. I've had no problem hovering around 85 during flower, so I want to see how it compares.

Since I don't have a window shaker yet, I tapped into the floor duct. I keep my ac circulation on, during lights on, and keep my house around 72f, and it keeps the temps in check. I usually keep the house fan on during allergy season anyways, to filter the pollen.

PSX_20180612_151915.jpg
 
JSB99

JSB99

Well-Known Member
To help avoid bugs coming into the grow room, I do a few things:
  • I don't let my dog or cat into the grow room
  • I never go near my grow until I've showered, if I had been doing yardwork
  • I use my compressor to blow off myself and my dog, every time we take a walk (and she loves the cool air from the compressor)
Though I don't know if I would have gotten any bugs if I hadn't been using my compressor, I feel a whole lot better after seeing all the small debris blown off my dog. A small hot dog, or pancake compressor is fairly inexpensive, and it's handy to have around anyways.

Just a little advice for some of the new growers :-)

IMG_20180615_104253.jpg IMG_20180615_104326.jpg
 
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