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Thread: Co2 fill ups

  1. #11


    I used to pay around $32 to exchange my 10lb, this time i went to bacon equipment co in dallas and they fill it up on the spot, it was $32 for 2 10lb bottle. Theres a hydroponic store by cowboy stadium that'll exchange 20lb cylinder for $26 out the door.

  2. #12
    Just a long for the ride biggin's Avatar
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    Aug 2007
    Halfway to Mexico, South Grand Prairie


    Someone can correct me on this if I am wrong.. but my understanding of turning off your CO2 with the lights is that your plants are not processing the C02 and it causes a buildup and a dip on the PH level.
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  3. #13


    The buildup of CO2 will cause the PH to drop, lights out will exacerbate the situation. At what rate/intensity varies substantially so it could be a non-issue or an actual issue.

    Bigger overarching reason is to not waste CO2 on plants that aren't gonna use it. It's universally true.
    75 Gallon High-Tech Planted (Build Stage)

  4. #14


    I've used beer stores and do an exchange no problems. I use keg and barrels at 15 and custer plano tx and spec's just north of parker and 75 in plano. 15-20 bucks to fill up a 10 pound bottle.
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  5. #15


    I know this is old but, I'm adding to the efficacy of the search function.

    You can fill co2 tanks at academy. Also, yes. Running co2 at night will cause a ph dip due to the plants not photosynthesizing and the excess co2 acidifying the water.


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