Can someone put this question to rest please?

Is it beneficial to give plants co2 during the flowering phase,
yes or no?

yes for sure

Ok that is one side of the argument, the other being that is not, so what is the actual bonified benefit from this, ie., how does it help the plant?

well in theory it enhances the grow rate of the plant, the but is that this take quiet a lot CO2 why is hard to generate/provide in such quantum. but in theory extra CO2 during the light cycle will enhance plant grow.

light+co2+nutes=plant energy aka photosynthesis.

if you increase any of these, you increase the rate of photosynthesis, meaning more growth at any stage of life.

if you take away from these three you will have less growth, yield, etc.

kp

Thank you, kp, you always have the most thought out responses, fully explained in a simplified way that I can understand. I appreciate theat.
Rollitup should have a " Ask kp" section on the forum, i'm telling ya.

yes plants breathe in co2 and breahte out oxygen, so the more co2 the better

However i dont know if it affects the bud during 12/12 when the lights are off, when the lights are on yes because photosynthesis

Actually, this is "kinda correct", KP, if you are using co2, and I am sure you know this already, you just probaly omitted it by accident,
You have to add additional nutes, and be using HID lighting, for the co2 to be beneficial. Otherwise its a waste of time and money.

In addition, you need to stop supplemental co2 about 10 to 14 days prior to harvest, or atleast lower the ppm.
Peace

kindprincess said:

light+co2+nutes=plant energy aka photosynthesis.

if you increase any of these, you increase the rate of photosynthesis, meaning more growth at any stage of life.

if you take away from these three you will have less growth, yield, etc.

kp

Click to expand...

kindprincess said:

light+co2+nutes=plant energy aka photosynthesis.

if you increase any of these, you increase the rate of photosynthesis, meaning more growth at any stage of life.

Click to expand...

This isn't quite right I'm afraid kp.

Chlorophyll in chloroplasts use light in a chemical reaction to split Co2 and H2o and recombine them to make sugar, which is used as a food source by plant cells to fuel metabolism. 6(H2O) + 6(CO2) = C6H1206 (sugar) 6O2 (Oxygen)

You can't just increase one of them to increase the rate of photosynthesis if the others aren't increased to the same optimal level. So if you increase the co2 component you also have to increase the roots availability of water and chloroplasts availability of light energy.

Light intensity availability is the biggest limiting factor to increased photosynthesis and anyone using cfl's or linear fluorescents will be wasting their time increasing co2, because the light intensity from these type of lights is generally insufficient to keep up with the additional co2. This obviously depends on how efficient and effective their existing source of co2 is via ventilation.

So the answer to the thread starters question very much depends on what lights he's using and how effective his existing source of co2 is.

hmnmm verry interesting. I used c02 on my last grow and I am using it on this one but I was unaware of increasing the nutes. I will have to document this and try it out

thnx

oh and Hello vid good to see you buddy~

From my experience Co2 makes a huge difference in larger grows. If you are using a 250w HPS and you add Co2 the benefit won't be as great as using a 1000w HPS. Generally with 1000w HPS setups you have a deficiency in Co2 and supplimenting with Co2 solves this problem.

Photosynthesis requires light, water, nutrients and Co2. You have to increase all of these to make it beneficial. Leave one out and you don't have the increase that you are looking for. I am considering buying a nice Co2 setup for my next grow.

I'm going to move everything up though. I am currently using a 250w HPS in a 4x2 grow closet. I am thinking to move to a 5x6 grow room and using a 600w light and Co2.

I should be able to see a remarkable difference, but if I JUST changed the light I would get some increase, if I added Co2 to my 250w I should see some increase, but with both it should be substantial. Granted, more Co2 and a 1000w light I would likely see more increase. Although I have heard the theory that the 600w can be more efficient because of distance from the plants.

ive found it pretty effective when adding a bit of co2 to my cfl, plants just look greeener and healthier