Good idea, I have something similar to that.

Hydrokronics, Great Post, found it very helpful, will have a go myself this weekend. Currently using a 5 Litre Petrol Can and it is bubbling so slow , hopefully this will improve,.

Read all the links posted in this discussion, and I am still not too sure
which is the best way to deliver the cO2 in me setup.

Currently running a Amazon Aeroponics* system [*half Areoponics (sprinkers only no mister) 50Litre rez, Nutriculture Amazon Aeroponic System: Basement Lighting Hydroponics and Plant Grow Lights , any recommendations?

I am not too sure if I should :
1) feed cO2 directly into the roots compartment (where it is constantly spraying with 2 holes at the bottom to let water drain back to the rez below) or
2) Put the tube in a jar with water and let it bubble away positioned under me ladies sitting on top of Amazon or
3) Feed cO2 directly into the roots compartment and turn the tank heater up to 75-83F.

My biggest worry on feeding the cO2 directly into the roots compartment is that there would be no escape for the cO2 but to sink down to the rez. The ladies are suppoted by this memory foam disc thingy which fits perfectly on the plastic net pots, so no escape to the to the leafs!!
( I could use Clay pebble in net pots instead to suppot the Ladies, but would this be enough to let the cO2 escape via the top to reach the leafs??)

Sorry for being long winded, Please be gentle, me first thread.

Any Suggestion is welcome, Thanks.

How do you deliver your cO2 Hydrokronics?

run the tubing into your res...and drill a few small holes in the top at the base of your plants

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Isnt CO2 heavier than air? I was always under the impression that it was for the top of the plant not the bottom

Run right into the res. anyway you see fit. I have bever used that exact system so i dont want to give you bad advice but def run the off line which is coming off of your three 2liters right into you res. There is honestly not a large amount of co2 that is produced by the yeast so it will not get to toxic levels. if your plants are still young you will see results faster then if they are large. If you are extremly worried and dont want to put it into you res then you should hang it above your plants. Because yes, co2 is heavier then air and it will fall down onto them. But is you are injecting the co2 into you res(water) you are increasing the amount of co2 particles in the Res(water) I hope this helps both you and good luck.

Thanks for the helpful advice, Hydrokronics. I will feed the tube into the rez [directly in to the water (please correct me, if this is not what you mean)]once I have build the cO2 thingy this weekend, will put some photies up.

Will have to keep a close eye on the pH level, pumping cO2 directly into the water might affect the pH a bit, me thinks.


Since it is going straight into the water bubbling away, debating if I should be using one of these diffuser;
AQUATICMAGIC
to let the cO2 absorb into the water a wee bit better, rather than just having it bubbling straight up to the surface!
Anyhow one step at a time, wil get the cO2 bottle system build first, thx again!

Very nice, I have one more tip for you its called a microbe filter. All you have to do is run the tube that the co2 is coming from in to the bottom of another bottle that is about 50-75% full of water. Then out of the top of the same bottle you have the "out tube" which goes to the plant, but make sure this is not in the water. This will stop any airborne microbes from going directly in to your yeast/ sugar mix, because the co2 passes though the water. This also allows you to see how fast its working or if its working at all.

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Just remember while adding CO2 is nice nothing helps better than refreshed air to actually remove the excess levels of O2 that the plant emits. Air can get stale even if you do add 200lbs of CO2.

Yea, Running the tube directly into you res WILL raise the PH slghtly over time. I forgot to mention that to you and i appologize. But you should be chekcing your res atleast three times a day anyway Macezy's idea of creating a "filter" type of device would also be helpful. I have found that the yeast and the sugar are not that harmful to you res when Very very small amounts gets into it on accident. Alot of nutes acctually have brewers yeast in them. but it would prob be much better to have thing device then to be sorry. And if something goes wrong you dont want that to be a worry when you try and troubleshoot. You should do a step by step Mac, on how to make one of thoses. As fars as the diffuser to the CO2 i would say go for it. I didnt think it was nessary just due to the fact that when it bubbles in large bubbles the co2 goes right into the net pot and out right under the plant. The diffuser would also prob help increase the co2 levels in the water. Good luck and i hope things are working for you. You should take some pictures of the process of putting yours together so other people can see another way!

I'm STUMPED!

WHY OH WHY are you guys putting CO2 to the roots?

Roots want O2, leaves want CO2.
What am I missing here? must be something. sorry.

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