Are DIY or grow shop CO₂ Generators any good?
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- čas přidán 1. 11. 2023
- I test some cheap CO2 generators in a grow setup.
www.exhaleco2bags.com/
www.growshop.ie/product/mothe...
www.growshop.ie/product/airbo...
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Very cool! I thank you for the research. A lot of growshops sell those products even that they know that it isn't enough co2 to make an effect. Has only seen one shop stating "We won't sell you that stuff because it is ripp off."
Hi Shane, i cant comment on the CO2 growing boost BUT......that unchained gas bottle! a CO2 bottle is charged to around 900psi and if it gets knocked over (its behind a sofa chair) and the valve is damaged or ruptured then seriously bad times will follow. free standing supports or wall mounted chains are available really cheaply and really are mandatory with pressurised tanks
Good tip, thanks, Ill secure it
I figured the bags were too good to be true. Big tank & a regulator is the only way to go. I’m amazed no one has done this before. Shane, you’re a straight shooter & much appreciated!!!!!
the XL exhale bags last 6 months and say they take a few weeks to get to full strength production. i put 2 of the XL exhale bags in a 5x5 with 6 autos, after about 2 months, with the autos in mid flower, they are raising the Co2 to about 600-700ppm from a base of 400ppm, with some random spikes up to 900ppm depending on how often my exhaust turns on for humidity
It’s crazy watching people using that tnb! Mad money! And people shouting it out cause they got it free! I tested it for fun! My 408 ppm went all the way up to 408 ppm lol! I even paid 80 bucks for the co2 monitor to show my friends not to waste money lol
thats odd. I put a TNB bottle into an empty tent and the PPM in the tent went up to 5000ppm
As a beer home brewer, i can assure you that a 30 litre fermenter will produce a LOT of free Co2 but it's a waste if it's being sucked out by a fan and beer doesn't like light. So that's my 2 cents and great video. Congratulations on the 100K.
Keep your brew outside the tent, and run a rubber hose in through one of the lower ports/vents. Then have it in a jug of water, or a coffee jar with two holes in the lid. One for the hose, and one for the CO2 to get out into the tent. That would prob help keep spills down.
Say you have four plants in an average setup. If you place the jug/jar in the centre, between all four plants. Then any CO2 given off by your brew will be right where it is needed most. Even if the average within the tent isn't as high as you'd like it to be. That CO2 will be entering right at the foliage level of all four plants.
I haven't used one of those S shaped bubblers on top of a fermenter in years. I always just run a length of hose into a 2ltr jug 3/4 3/5 full of water. You're less likely to have a brew blowout, esp is it's a stronger one with an aggressive yeast. I would strongly suggest a little clip/peg to hold the tube snugly in place. Or drill two holes in the plastic lid of a large coffee jar. Takes to minutes to do that, and could save your brew. Or having to deal with a ltr plus of water spilling in your tent.
15L water jugs with 2.5 cups sugar, 1 tbsp yeast and 5 L warm water will raise ppm by 500 -800 per day. Shake / stir daily. Lasts about a week. Add more if space permits.
HI SHANE THANKYOU FOR ANOTHER HONEST REVIEW. DEFINITELY SAVE PEOPLE SOME £.🇬🇧🇪🇺🌱💚✌🏼🤩
If you can get a hold of nice outdoor fresh air, I recommend it over Co2 spray bottles or whatnot any day of the week.
Iv used the mushroom bags in the past couldn’t see a difference so never used them again…Good work Shane it’s refreshing to see impartial reviews with actual data to support the claims. I wish there was more channels doing this
I thought I noticed a slight difference in flower size near the exhale bag but not enough of an increase to warrant the 20/25 quid cost of it
Excellent review. It is so good to see honest reviews of these so-called wonder products . Keep them coming 👍
I don’t agree fully. I use exhale 365 bags & they definitely increase my co2 from ambient 400-500 to 1900-2100. This product requires a 30 day activation period vs the “pre-activated” regular exhale bag. I’ve used this product for years & have consistently been able to raise my co2 ppms.
I ask that Migro test this product against its “pre-activated” counterpart as a challenge to this video product selection!
With love of course ❤.
I've tried all of these methods with the exception of the compost bin - and I can confirm the results of your test Shane - the Airbombz was the only one that raised the Co2 significantly but as you said would cost a fortune to try and maintain Co2 anywhere near 1200ppm for a full grow cycle...!
So I ended up investing in a RAM Co2 controller - a solenoid controller for the bottles - and I bought 3 x 6kg Co2 cylinders on Ebay at around €100 each - it costs me £20 each to refill but the downside for me is I have to travel from Donegal to Belfast to get them filled - It costs me roughly £30 per cycle to maintain Co2 at around 1200ppm from an intital outlay of around €800....!
But what’s the end result like
@@hbpw857 I'm well pleased with the results - I can't give a comparison as Shane does as I ony have the one tent set-up so my opinion is based simply on and a before co2 vs after Co2 - and that leads me to believe I'm getting a 20+% increase in yields with Co2.....! - I hope that helps...!
I agree none of them work ,if not sure get a CO2 meter U will see .
Thank you for your testing, you confirmed my instincts.
I hit over 1000 PPM CO2 concentration quite regularly using Exhale bags and have had great success with them, personally.
I’ve read the bags take 30 days for decomposition to occur before C02 is released, any truth to that?
They do take some time to produce which results in PPM's levels that are on a bell curve, but it's predictable curve so it's not too hard to work around. Depending on the bag I'll see CO2 levels start going up within a week or so, but it won't reach consistent high levels for probably 3-4 weeks yeah. @@Outdoorsyshoresy
@@HyperactiveHighsthanks for that explanation. Just trying things out myself. My best and cheapest C02 alternative is me breathing in the tent lol
The best way to see if anything works is to try it yourself! It's funny you say that lol I made that exact joke in my video about using CO2 hahaha we are our own free CO2 generators! @@Outdoorsyshoresy
Congrats Shane on reaching 100k subscribers.
Shane is always on PAR! THANKYOU for your AWESOME help you give to cann öhpeppers growers..
I tried the mushroom bag in a 2x4 closet and didn't notice any change really. I have upgraded to a 5x5 tent and much bigger lights and was considering trying them again, until i saw those numbers. thanx for your reviews. I am impressed with your unbiased approach and you use language that isn't over my head. cheers
I've ran both Bags & yeast in a 4x8. With 2 bags, At lights on it would start at around 1200 - 1400ppm average, but by hr 6 they weren't generating enough to do anything. With yeast I would run 4 3lt bottles with 2lt water in them and averaged close to 1000ppm for the full 12hrs. But, you needed to shake every day, I was also running lots of yeast & sugar, change 2/3 water every week ((before you shake it), once the water starts to become more ethanol it kills the yeast) & add a little more yeast & a lot more sugar, was going through 2kg sugar a week. When I did these I had a Co2 monitor to track it all and the yeast was by far the best, but was a pain in the ass having to shake them every day etc to get the most out of them, when I was trying to basically automate stuff.
i just saw a video where a guy used a sealed five gallon bucket, and a a pump with an air stone in it that way it pushed out co2, and kept it mixed. i have yet to test this myself though.
Amazing video. Short sweet and to the point. You saved us all time and money. Thank you.
Glad it helped!
Thanks for the info much appreciated. I've been buying exhale for a couple of years never again lol.
another great post thanks shane!
Great video, lots of valuable information, thanks!
thanks for doing all these tests good information to know so we don't waste our money
Thank you for this video. I bought the CO2 bag a last weekend. Was only 20$. This is my first ever grow. And im in Week 6 of flower. I figured why not.
From your test seems like they dont do much. And with all the fans and exhaust fans going can the plant really take it in anyway at such a low output? Nope. Wont be buying those again. But i bought it so its staying until harvest. Thank you! You're saving us alot of money.
wicked idea !! cheers , be good to see a weeks worth of data for each one seeing the increase and decrease in co2 over time ? also some take time to work optimal(like the exhale) nice 1
Keep up the good work 👍
Great info!
My co2 compost bucket raises my space anywhere from 3-500 even with a slowed down exhaust, keeping the contents of the bucket moist and warm is required and after the initial set up of adding water your better leaving it for a few days somewhere warm to get the biology going. Can get my space to 800ppm easy and as high as 1500 when im working in the room for an hour or so.
When your working in the room?? The co2 will increase naturally unless you breathe like a plant
@@thatdude421duh😂
Tjanks Shane. I used to use the diy yeast and sugar mix. Thought it worked well in veg, but then again i was extremely new to gardening at the time. Im glad i saw this because 5yrs later i was thinking of going back to it. You just saved me time and a buck. Thanks!
Adding it is still better than not adding it. You will only get a tiny boost but your plants will be able to use more ppfd/dli in a day even with 30 extra ppm
@@ChadAF_YTThe 10 grams extra Ill get doesn't out weigh the cost for the CO2, or mushroom bags. I think they start at 50. USD here in the States
I tried the exhale bags and I had my suspicions they weren't doing anything. Thanks for this valuable info, much appreciated.
They need to be opened 3 weeks.. he only had it opened 3 days...
No I spoke to the producers directly. The bags are ready to go, they may not be at their peak but they are producing CO2 from day one. I ordered two of the large bags and they were both expired by almost a year. I bitched to the manufacture and of course the supplier and they both sent me new bags and they did nothing, the volume of material is just too low to produce a significant amount of CO2. @@MrTravisjh2
Migro failed the exhale bags 💯
Love to see you test the TNB naturals cannister, their's is supposed to support a 10 foot X 10 foot grown room so I would think it would work great in a 3X3 or 4X4 tent. All you do with theirs is shake the cannister daily.
This dude is the best.
HI CHAMP 👋 THANKS FOR THE LIVE CHAT LAST WEEK (LOUIS FROM AUSTRALIA 🇦🇺), I JUST WANTED TO SAY THANKS FOR THIS VID & ALLSO THE EXHALE BAGS DO PRODUCE FROM 150 TO 250 PPM BUT U NEED 1 WEEK TO SEE THEM NUMBERS, 3 DAYS ISNT ENOUGH.
MAYBEE U CAN TRY THE EXHALE BAG ON ITS OWN AGAIN & GIVE IT A FULL WEEK TO CHARGE UP & THEN TEST,,,
LIKE TO C RESULTS.
THANKYOU MIGRO
IDE SAY UR NAME BUT I DONT KNOW IT LOL.
LOUIS
Hy Shane. Very thanks for the video. Nice research. I like to see TNB The Enhancer too
Maybe next time 😜😜
The exhale bags need to be mixed up before using. Co2 will start generating in about 2 weeks. You can buy them pre mixed from the manufacturer but always check the date of packaging. You can also use a soda stream unit on its lowest setting and it can last between 5 and 20 minutes depending on your tent setup.
Great videos. I'd love it if you could test the vinegar and baking soda DIY method.
omg THANK you Shane! Im so happy someone finally answered my questions, couldn't try it out myself. Thanks its good to know all of them are time or moneywaste haha. Maybe a bottle would be ok in a 40x40 with one plant haha. i love the content tho!
His name is Shane
@@verbalkint98 I'm bad with names, thanks, i corrected it (:
@@Maedness. wait until you get older! It gets worse! Lol
thank you so much :)
currently have a sealed tent with a mini AC and CO2 system keeping my 4x2 at 1200 ppm, 1300 PPFD and 85f with a vpd of 1.1 - i can sit and almost see the plants growing through the window. If I tuck something under the trellis and come back an hour later its already straightened back up again - this is beyond insane
thank you for sharing with us all ... basically dont waste your money 😎
Hey Shane, idk if i missed what light you were using for the report.
I'm assuming if it was a 4x4, then I'm guessing the light was approx 480W. Meaning the par would've avg'd 900ppf ??
Also, what does the deficit measure ?
TIA
I use an F Zone fish tank generate with solenoid 100 bucks... 10kg of bicarb and 10 kg of citric acid. cost about 60 bucks and last 9 weeks. I have to reload it every 2/3 days, but I can maintain 1000ppm. it's hooked up to Digital IAQ Monitor Controller with Relay Function and lights out cut off. that you can get for under 150 bucks. This works well for me as the lung room is only 9x7 box room. so circulates well.
I have a planted tank CO2 setup that may have to be re-purposed... Thanks for the idea! 😁✌️
You don't happen to have a video up of your system do you? I'd love to see your co2 method or at least read a paper on set up. I'm not into aquariums so I'm not certain about the subject
@@Khaymen223 I don't have a video. And it works because I have a small lung room. which makes it quite economical. Happy to try and answer any questions you may have though.
@@UbiquitousRomp I found a video on the subject. Hopefully I can get a set up. I'm shrinking my grow space so I'm hoping that will help as well. Thank you for the quick response
@@Khaymen223 make sure it's the stuff used by cleaning companies as it's the strongest.
Hey Shane random suggestion here but can you try to get your hands on the Agro Lighting AL-ONE fixture for testing once it releases. They definitely took inspiration from your aray 5x5 with the over sized heat sinks. They're claiming over 3 umol/j efficacy and it looks like they might have more diodes than the 5x5 which is insane. I'm loving my 5x5 but this thing seems too good to be true.
Only thing i can say is most people use extraction fans so there is no point in using CO2 at all. You can only really use them in a sealed tent or room that has air con...otherwise its a waste of time and money. Just my 2 cents
I have the exhale testing for 2 months now with a pulse pro. The Co2 gains are absolutely marginal. (About 50ppm more)
Save your money on this!
You’re not doing it right
Thank you for this. Unfortunately, I lost a bet regarding the exhale bags. Up side is I won't be wasting my money anymore! Lol
I used grandma’s oxygen machine and ran tubing from the exhaust on the o2 machine bringing the c02 into a flowering tent. I purchased two c02 meters to test this experiment, I noticed an increase in co2 minimal and didn’t think it was worth it. After watching this video maybe that small increase was close to these products…. Hmmm…. GRANDMA! I need your machine again…. Hold on….
I use co2 boost, this is the same Thing like your bucket. And i habe an 80x80x170 Tent. And i have a co2 in the tent line 1000ppm ,
I let the exhaust air circulate and every 45 minutes a second fan switches on to supply fresh air for 15 min! Than starts again And it works great! 1000ppm constant!😂😂😎👍 and air bombz is even so a good alternativ !
no surprises there 😁good to see the evidence 👍
The compost one looks like you could replicate it your self for a much lower cost!
Yeah. It's insanely expensive. To the point of basically being a scam.
i cant prove its actually doing anything, but I DID run an active intake to one of the kitchen vents on the floor we normally keep closed. I figured if theres always somebody in my kitchen I might as well be getting some co2 out of it. The way I see it the basement where the tent is probably has higher than normal background ppm anyways because co2 is heavier right?
8L 16KW LPG Propane Gas Tankless Water Heater
$79.00
I'm going to try to modify one of these.
I think it will just be a mater of moving the water temp sensor where it does not detect water temps. Then the unit should stay on indefinitely.
Then controlling power to the unit with your co2 controller or a timer.
Question, how about dry ice co2 examples?
awesome thanks for all the testing you do🤘✌️
what about something like a 5 gallon bucket or a few mixed with the DIY yeast one? because you could probably make a lot for cheap if its +31ppm if you multiply the amount(size of container) by 20+ does it increase the output by the same?
I don't have a meter. But that's what I've been doing for a few years.
What's the harm? It's practically less than $5 and whatever difference it does make is at least measurable, considering Shane's results.
I use 15L jugs, 2 cups sugar, 1 tbsp for yeast and 5 L warm water to start. Shake every day and add one per week. It’s a hassle but it works. Raises about 500 - 800 ppm for 4x4.
thanks for the info, i guess closed tent no exhaust fan and by add one you mean another tbsp of yeast? and how long before you wash it out and start over?
@@AstraI1 they last about a week and decrease over time sharply. I add a second one on week two and leave both in if it’s still producing bubbles. Each batch is different. Then on week three I remove the oldest and add a fresh one. It’s a hassle but cheap.
thanks for coming back to answer that I apprciate you def some great info def seems worth trying, hope you have a wonderful harvest
Any idea on butane burner CO2 generators?
A system i am planning for CO2 suplementation is a recirculating dry ice system.
a large plastic storage box with an intake and an outflow with a dry ice foam box inside. both boxes perforated.
The plastic box will have the exhaust from the tent go in and will send CO2 and fresh air to the tent.
The exhaust from the tent will run at a lower pressure / flow than the intake from the dry ice box craeting a positive pressure, the differential in theory would also pull in fresh air through the plastic box perforations...
As an engineer do you think this is viable in a 1sq/m.
tnb naturals co2 bottle dispenser is the best natural co2 adder avg 15$ lasts 21 days great for 4x2
it's TNB not RNB
Looking to start doin C02 in my grow room as I'm using 4 x zues pro's 600w and I can't seem to improve my yield anymore I'm using a 12 and 10 inch isomax for exhaust and intake, I've been told u need to seal room not have air exchange when using c02 is this correct and what do u do for smell
Yes it must be in a sealed room recommended no are exchanged except for when p p.m. gets too high to run the exhaust fan hooked up to a controller so it shuts off automatically without pulling all CO2 out of the area and of course having a carbon filter to help with the smell
30mins its nothing for mushroom bags to take effect. Lots of people me including swear by using exhale, it will remove popcorn buds, just dont place them near your carbon exhaust, its the best way to increase production!
IT was activate days before. however it was not raising the CO2 level for me.
If you brew beer, I'd say 25ltrs of a decently strong beer will do a lot more. But your beer will be done between two and three weeks. Or you could just spend more time with the plants to raise the CO2 levels.
Both of the above are free. Or rather, the brewing isn't an extra cost.
Mushroom bags in a small acinfinity tent, then since plants use co2 during day only... you let the mushroom bags build gas up in tent space at night (blue oysters mushroom spore net you edible mushrooms very easy, while the exhale bag which is a different fungi does not)
This would double your grow tent or room, all you have to do is pump the co2 from minimushroom tent to the lit up grow tent (again, plants use it during daytime) so build up gas at night with (organic brown rice mushroom bags from uncle bens.. if you cannot diy your own simple mushroombags.. many company ship them premade also... ) cheers
jeremy from BuildAsoil proved it can get a large grow tent to double the co2... with normal mushroom bags in a smaller raised grow tent above the plants bigger grow tent... got to 900 on the meter (similar to if you live in the same room as uour grow tent... without mushrooms.. gets to about double of outdoors)
@@dertythegrower until you drop the humidity for flower and it kills the mushrooms...
Michigan company makes em and ships them pre activated..
What people don’t realize is that it takes about 30 to 40 days for the mycelium in the bag to really get going.
I’ve tested a 8 pound bag putting out steady 8-900 ppm for 3 months after the 30 day activation period. I notice if the humidity is lower the bags slow to a crawl but if humidity is at around 55-65% they pump out a good bit of co2. I like to use em in veg and ain’t really over a noticed any real use in flower but 100% for veg co2 is beneficial.
@@dertythegrowerI've gotten up to 800-900ppm with the XL Exhale CO2 kit, in a 5x5. They do indeed work. Not a really great difference, all around, so I don't always get em. I think it's been over a year..?!🤔👍💯✌️
Could you test the DIMLUX extreme lights please!
Need to make a stronger batch of yeast and sugar so that it ferments more rapidly. Like it should only last about 7-10 days
The mushroom bags and the buckets can be beneficial in veg.
Problem tho with the mushroom bag is it tajes like 30 to 40 days to get going ,
The sugar and yeast is worthless.
Try that mycelium bag in about 30 days now that it got activated
I’ve tested a 8 pound bag testing at around 900 ppm for a steady 60 to 70 days adger the 30 day activation period.
Idk why Exhale domt tell people.
The airbomz are interesting to just use it in the 6th and perhaps 7th week...a whole cycle would be too expensive...and the company claims a bottle should last a week
I use a 10'x11'x7' room to grow in. I purchased an inkbird CO2 meter and I realized if I hang out in that room for an hour, I can raise the CO2 levels to over 1000ppm. If I'm in there doing work on the plants, cleaning, watering, mixing soil, etc etc, I can get the CO2 levels above 2000ppm. Why buy a CO2 canister when I'm a free CO2 generating machine!!!💪😤
Hi mate. I was thinking of using the mother nature tub for my aquarium rather than an expensive c02 system. Does the box say what's in it? I was hoping to try replicate it on the cheap rather than buying a new bucket every 6 months.
Hey,
It's mostly hay and sterilized manure pellets
more curious how hard to set up an effective co2 generator.
The cheapest CO2 generator - yourself. PuT the grow tent in your bedroom and have the lights on while you sleep. In a bedroom with no mechanical ventilation and the door closed CO2 levels will easily rise to over 1000pm. Even in my 41m² apartment with modern mechanical ventilation the CO2 level is currently 650ppm in the bathroom where the exhaust vents are. ✌🏻
I use homemade CO2 all the time in a 3×3 tent i get ppms of 700 ppm and it drops down to 550 pmm and i use a two ltr bottle
does CO2 make bigger buds or does it only increase Veg?
hi guys I was looking over the Migro chart comparing the 4 delivery systems, i am finding hard to follow. The base ppm/30min readings are what they are but the readings in tent with plants from -279ppm to +63ppm. That would be a net gain 342ppm/30min from the Exhale CO2 bag to the Mother Nature CO2 @ +67ppm/30min. thanks guys
The number is the difference in CO2 ppm from the start to finish of the test for each source.
tyvm @@MIGROLIGHT
Do you know liquid CO2? If I put it on the floor of the greenhouse, will it turn into CO2 gas?
The man the legend
Every exhale contains 35,000-50,000 PPM of CO2, and each person generates 2 to 2.5 pounds per day. Someone should just come up with a way to exhale into a container that can pressurize the contents to then be timed released. Problem solved and in high enough CO2 values to make a difference.
I bet you could make your own compost to co2 generator with home made compost and a 5 gallon bucket instead of a 1 gallon bucket for less than $10 and have it generate enough co2 to be worthwhile.
Anything other than co2 canister with controller or sealing up yourself with your plants in a room is just a waste of money. Speaking of, maybe do a test like this? Put some big plants in a sealed room and just sit there for an hour. Something like 4x4x2m should be a good representation of most bedrooms that homegrowers would put their growtents and i don't think anyone did that experiment on youtube.
Super pro here. Ryan’s tip no2. Focus on your rhizosphere, then worry about the troposphere! Are your roots perfect and your soul/ substrate/ nutrient bath absolutely perfect 24 hrs a day? I bet not! 90% of plant well being is in the roots zone.
Anyone that calls themselves a 'pro' then gives dogey info 🤔 🙄
Your not wrong but thats not totally true either 🤷
@@thatdude421 Hate, I’m not mad at you tho. I live in a weed legal state. I’ve grown by DWC, nutrient film, ebb and flow, river method, and nuitientless soil, and aeroponcally. Which is your favorite and why?
Shane.. what about a living generator. Small group of lab mice lets say 10 head or a couple large rats. Would they expel enough co2?
Simple.....just grow mushrooms in the tent with your plants...👌🏿👌🏿 Greetings from Puerto Rico ✌🏾🇵🇷💚🌱🔥
Yeah I always had my doubts, even though my hydro shop guy was adamant it worked 😂😂
Hey what tape are you using to seal the tent. I tried the reflective tape and duct tape and nothing is sticking. luckily the vstripe and bottom seal seal the whole room well, but I'd like to seal the tent better
Do the draw strings on your tent not work?
@@Outdoorsyshoresywow, a smart ass that doesn't know what he is talking about on the internet. it's like I discovered general relativity. I want it sealed, not buttoned up, genius
what about dry ice?
I’ve been using the exhale mushroom bag on top of my bar light for several grows in my semi sealed grow area, I really don’t check if they are beneficial but my girls are always at least looking very happy and flourishing. But going by your tests, I trust you don’t recommend them? They are not cheap $70 for large bag! So you’re saying I’m wasting money?!
Fish tank air pump.
Feet needed of hose.
Pull fresh air through window from outside into your grow space.
Done.
What about candles
It sounds like a pain, but a natural gas co2 generator isn’t of high cost and produces copious amounts of co2 necessary to make a difference.
use an F Zone fish tank generate with solenoid 100 bucks... 10kg of bicarb and 10 kg of citric acid. cost about 60 bucks and last 9 weeks. I have to reload it every 2/3 days, but I can maintain 1000ppm. it's hooked up to Digital IAQ Monitor Controller with Relay Function and lights out cut off. that you can get for under 150 bucks. This works well for me as the lung room is only 9x7 box room. so circulates well.
without aircon surely you would see heat problems.. the one i looked at produces 26000 btu and a lot of moisture
@@lip-filler-looks-rank Not in winter. I have humidity issues in winter, so need to run a dehumidifier anyway, so sealing up and running co2 works well and the yield is always bigger than the summer runs. Plus with the co2 the plant can handle higher temps. But I don't get above 82f
Never gonna buy exhale bag anymore 60 more buck in my Pocket every crop thx alot Shane 😂😂
What about dry ice in a cooler?
Costs a fortune
I've used citric acid and natron/baking soda in 2 2liters bottles in a small growing tent for vegetating from seedlings and he could keep ~1000ppm for 2 days and relatively cheap. I think it helped with preventing heat stress in the cramped space (40x40x180) and I did notice increased speed of growth but unfortunately I didn't do a control grow without co2. Not sure if it would work in a normal/bigger tent but I'll try eventually.
They are a waste of money & time. What about using dry ice in a cooler with a lid slightly open. I recommend using a co2 tank with a safety top & chained to the wall in case of falling over, breaking the valve off, and turning it into a rocket. Also note the dangers of flooding excessive amounts CO2 in the room or tent.
where do you find dry ice lol
A lot of grocery stores sell at front of store
@jasonroth1508 in all grocery stores & at local CO2 distributors
What about a block of dry ice in a cooler…???
Renting a tank and filling it every 2 weeks, or once a month even, gets to be very expensive. You'd need a controller to release the gas at a slow steady rate also. $€£
inkbird controller £150, solonoid £90 both will be with you forever.. 35kg tank £90-130 with tank rent.. about the same cost as a fancy fan/filter combo.. the real issue is the cost and noise of running aircon for 12 hours per day
@@lip-filler-looks-rank1 time fill though. How much to fill it and how often. It's worth it for a large grow facility but someone like me who is only allowed to grow 12 plants a year; not worth it.
Uh I'm pretty sure exhale bags should be opened 3 weeks to start generating max co2 output...
Hey,
Depends on what one you purchase, some come pre-inoculated and some don't.
I will do my own test and see if it really only releases 20 ppm. Considering they state it should be able to raise it by 400-500 ppm...
Interesting review, but I think the yeast method is underrated, I'm using 2 1.5 gallon containers full of yeast and sugar, plants are during veg and haven't seen em happy like that during my previous grow cycles.
BUT do you have a CO2 reader/monitor to see where your ambient is (usually 400-500 ppm) then after putting in the yeast/sugar to see if it actually increases?
Unscented candles in the lungroom ftw.. 300-400 ppm per candle. Pretty cheap co2 , i use tealights. If you can safely use candles in your lungroom , have commonsense. Burner & pilot light works too depending on your space. Those co2 products are garbage. Use a tank, a burner or candles. Thats the easiest cheapest ways to actually increase high ppm co2 regularly.. i dont use a sealed tent , i do use a sealed and climate controlled lungroom. Not a fan of high temps ever - destroys terps and potency.
You used a micro exhale bag for a 2x2 not a 4x2
nooo you stole my video idea haha. good stuff though man