PPM's and Co2

303 · Jul 1, 2011

I just started some tables and finally got my ppm monitor, it works real nice and read 1250-1500 first couple weeks, now I struggle to get it over 1000 ppms with the float in the same position, I went to hydro store and thought maybe I needed a new regulator, but the guy suggested it the plants are using the co2 that will happen. Anyone know if this is true? Maybe max out the float and go from there..?

MancGrover · Jul 1, 2011

well seems like your plants use mor3e co2 ant thats why you cant get the ppm higher this is kind of logic since the bigger the plant the more co2 it uses still thought 1000 ppm isnt bad since thats 3igher than in the atmosphere. if you still want it higher turn down your extract and intake of air, your plant can take higher temp with co2 enrichment

303 · Jul 1, 2011

MancGrover said:
well seems like your plants use mor3e co2 ant thats why you cant get the ppm higher this is kind of logic since the bigger the plant the more co2 it uses still thought 1000 ppm isnt bad since thats 3igher than in the atmosphere. if you still want it higher turn down your extract and intake of air, your plant can take higher temp with co2 enrichment

Its all on a controller, I just adjusted the float to almost double and I'm getting 1500ppm. Thanks.

a mongo frog · Jul 1, 2011

which controler do u have? do u have in and out vents? totally sealed?, whats your set up ?

303 · Jul 1, 2011

Yes sealed triple in poly and framed, got in and out 8" vents that goto outside my home or pull inside depending on configuration. 6000 watts. running magnum xxls. I have a can 6" inline, 2 8" inlines, several carbon filters, cap air-3dn controller, cap ppm-1 controller, recirculating hydro, I wrap gutters in panda film on a angle with a pump draining into res's that is recirculating.

Alex Kelly · Jul 2, 2011

Ýour room is not sealed if you are exhausting the air from inside of your tent (if thats what you're doing). If you are then a good amount of the co2 is being exhausted out of your grow room with the rest of the air. Good Luck.

303 · Jul 2, 2011

Alex Kelly said:
Ýour room is not sealed if you are exhausting the air from inside of your tent (if thats what you're doing). If you are then a good amount of the co2 is being exhausted out of your grow room with the rest of the air. Good Luck.

Tent? No, 12x12x8 room. Yes I realized having an exhaust is not completely sealed. With a damper its damn close though.

PPM's and Co2

303

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MancGrover

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a mongo frog

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Alex Kelly

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