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Old 08-19-2018, 04:04 PM #1
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Anyone ever try high PPM CO2 for killing spider mites?

Fucking borg. I have had spider mites for almost a year. The past 4 or 5 crops. I keep thinking they are gone and then I find them again.

I have managed to keep them under control with predators and Azamax but it seems like they just keep on popping up.

I am definitely not one to spray (anything, organic, natural or otherwise). I sprayed the Azamax in desperation but don't really want to do it again. And, I just sprayed the bottom leaves and not the buds at all.

Plus, my plants are VERY crowded and it's almost impossible to get good coverage with sprays.

Predators worked fair but are very expensive and need to be replenished regularly.

So, someone in another forum pointed me to an article about using high PPM (10k to 15k PPM) CO2 to suffocate them. Makes sense.

2 of my grows are in tents so I am hoping I will be able to get the PPM up that high. I have found these tents to be pretty tight. The other is in a 4x4 room and will definitely be harder but I think it's possible.

Has anyone ever tried this?

Any idea how much CO2 it would take to flood a 4x4 tent with CO2 up to 12,000 PPM? The grow store sells a 20 pound tank but it doesn't seem like enough.

Well, before I buy the stuff to try this I thought I would ask around and see if anyone has actually been successful with this method. I am at the end of my rope and will be forced to shut down my space if I can't solve this.

After I shut down, I plan to bomb the entire house with DDT, Round Up and Agent Orange. LOL These fuckers have GOT to go.

Thanks
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Old 08-19-2018, 04:18 PM #2
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Your problem is that you're afraid to spray your buds.


If you don't get 100% coverage you will continue to have problems. As long as airflow is good you should never have any problems spraying your buds. (and I mean drenching the buds with whatever it is that you are using at the time) I've only ever experienced bud rot when my plants STAY wet from extended periods of rain (spray). It shouldn't be a problem with proper ventilation.


On that note, You can use high CO2 to kill ALL of the borg in your room.
HOWEVER...
They're smart critters and have ways to hide from that as well.
Namely by leaving the area!


Being that you are indoors You've got to clean the entire house and treat the entire house as if it is infected.


I had a buddy get a super bad case of the borg & he didn't know what to do.
I went ballistic on them (the borg)!
First I sprayed with a mixture of Neem oil, capsasin & soap every three days for five applications.
As well I got a bag of Diatamaceous Earth and dusted the carpet with it and layed it out in the corners of the room. It was dusty every time a person walked in the room for about two weeks until it was vacuumed up.

I did the exact same for a room I had that was located on the edge of a wheat field.
Neither room has had issue with the borg since. That was nearly 10 years ago!
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Old 08-19-2018, 04:33 PM #3
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Thanks bud. I am totally against spraying ANYTHING. Sorry, I'm just anal like that. So, yeah, you're right,spraying isn't going to work on just the bottom leaves.

I mean, I am the kind of guy who buys raw wheat and grinds it to make my own flour to make my own bread. LMAO I sure as fuck ain't consuming a bunch of Azamax. I don't care HOW safe THEY say it is. I know it's my issue but... it is what it is. SO.... spraying any kind of poison is out of the picture. At least until after harvest. Then, I'll Agent Orange the fucking place. LOL

I agree with you that part of my problem is that the mites are 'in the room' and even if I get them off the plants, I still have eggs and traces. Plus, my grow room is carpeted (yeah, I know LOL) and I feel the eggs and babies just lavishing themselves in the luxury of cut pile. LOL

I also tried diatomaceous earth. Wow, what a mess. I will dust the carpet with it next time.

I also feel they are in all my pots and tools and dirt and ..... geeze, just everywhere.

Thanks again for the input.
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Old 08-19-2018, 04:37 PM #4
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Erm I dont know about the co2 technique.. With out a ppm meter you're just guessing with the co2.. I bet it probably does help though..

If I open my co2 regulator, turn on the co2, id need to run it for about a minute I think to get up there in ppm.. If you just open a bottle then god knows..

Hmm difficult one..

Positive mental attitude. You will defeat them!

Fuck the Borg! I eat them for breakfast.. Literally, they're on my basils outside..
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Old 08-19-2018, 04:51 PM #5
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That is another issue with this method..... measuring 12000 PPM. My meter only goes to 5000. Even my Raspberry Pi sensor only goes to 5000. Not sure how I would even measure 12000.

So, based on your post, maybe just seal the tent.... stick the hose in and run on full for 60 to 90 seconds. ???

Thanks
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Old 08-19-2018, 05:34 PM #6
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You just need to learn how to do whole plant water dips. It's easy, you can even dip a 5' tall plant with two people and a trough of water.

Problem with all kinds of chemicals against spider mites is they eat chemicals for breakfast. They're not insects. IIRC, no insect can feed on more than about 50+ crops, but some species of spider mite prey on more than 100 different crops. They evolve immunity fast, so we always rotate chemicals.

Things like water, diatomaceous earth and vacuum cleaners are mechanical methods that mites have a harder time evolving around, so they're more effective.

Unfortunately, the water won't really eliminate them either because eggs. If you hit them every 3 days, you interrupt their breeding cycle and that may not eliminate them, but will knock them silly. Double dips will get the eggs but take at least twice the time. First let them stand a while (in the dark) with a strong soap or neem solution, then rinse with water.

Friction is important with dipping, so a lot of swishing or lifting the plant in and out of the water does a better job than just soaking.

Also, people worry about the water washing, or knocking the trichomes off. I've found that, either it doesn't really happen, or maybe the trichomes reform after dipping. Either way, it doesn't seem to do anything bad to the potency.

I've gone into some big commercial grows where the boss was ready to throw the whole web covered crop away, water dipped all the plants and they're ready to harvest the next day. From bust to boom in one simple move.
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Old 08-19-2018, 06:40 PM #7
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It is impossible to water dunk this crop..... LOL I am always way crowded like this.


However, I am definitely going to try the vacuum cleaner. LOL


Thanks for the idea.


EDIT: Oops, wrong picture. Here is my current crop.
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Old 08-19-2018, 06:53 PM #8
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This calculator or others may aid in getting co2 high enough.

https://www.hydroponics.net/learn/co2_calculator.php
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Old 08-19-2018, 07:27 PM #9
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Compost tea spray every other day until week four, bio film is a real thing. You still have em pop up after week four but just start picking leaves. Safest method as an organic or conscious gardener.
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Old 08-19-2018, 08:11 PM #10
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Ringodoggie, I've used those computer mini hose thing kits that attach to your regular vacuum. They work excellent with a brush tip. Very satisfying method!
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