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Thread: Different type of CO2

  1. #1
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    Question Different type of CO2

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    Hello,

    Has anyone use Electronic CO2 Generator before?
    What's the pros and cons compared to cyclinder type?
    Thanks.
    2 U he''s a pet, 2 him U R his everything ;p

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    cylinder co2 is the most economical solution.
    electronic co2 requires annual replacement of a carbon plate. cost about >$60. and it seems that it works for smaller tanks only due to limited co2 production.
    thomas liew

  3. #3
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    Question

    Thanks Bro Tawauboy,

    Is 2ft tank suitable for the Electronic CO2 generator?
    The electronic type is abt S$35.
    How about using those powder mix then add water type?
    Or is cyclinder still recommended?
    2 U he''s a pet, 2 him U R his everything ;p

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    Cylinder is still reccommended, for it's ease of use, reliabilty (constant CO2 output) and resale value. You can easily sell a cylinder system after you decide to stop using it.

    I hear that the electronic type needs frequent replacement of the carbon blocks, so it may be a hassle and wallet-consuming in the long run.

    The "powder mix then add water" type is just a commercialised version of DIY CO2. These systems, although cheap enough, are a hassle in the long run too, and do not provide constant CO2 output. Constant CO2 output is necesscary in preventing algae.

  5. #5
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    Question

    I'm considering between a 2 litre and a 5 litre cyclinder,
    how long will they last?
    Heard that the initial tank will last longer than the subsequent top up?
    Please advise, thanks.
    2 U he''s a pet, 2 him U R his everything ;p

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    For me, i will go for the larger one.

    The reason is that the price for topping up from that LFS that i purchaed the CO2 tank from is the same.

    The only concern is the weight, as I am not driving, it is rather heavy for the 5l so i stick to the 3.5l CO2 tank.

    Another factor will be the space constraint.

    As for your second question, nope.

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    I'd go for the larger one too. IMHO, use in proportion to your tank size. I use a 2L for my 2ft. Lasts long enough to not be a hassle.

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    Quote Originally Posted by hobbes
    I'm considering between a 2 litre and a 5 litre cyclinder,
    how long will they last?
    Heard that the initial tank will last longer than the subsequent top up?
    Please advise, thanks.
    get the biggest cylinder that you can afford because co2 refill incremental cost between different sized cylinders are quite minimal.

    a cylinder can last a very long time if you take care of it. a cylinder of gas (5 litres) can last some aquarist for almost a year but this depends on the co2 injection rates. those with big tank may refill every 4-6 months.

    initial tank should not last too long unless the lfs refilled it. why would lfses/manufacturer want to add cost (co2 and shipping)? anyway, a properly refilled cylinder should provide roughly similar 'mean time between refills'.
    thomas liew

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    I also heard larger cylinder has better resale value

  10. #10
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    Co2

    Quote Originally Posted by lwm999
    I also heard larger cylinder has better resale value
    I thought the larger it is the difficult to sell? Not everyone has the luxury of space especially HDB dwellers.

    If you have more that one tank than it is better to go for the 5L one.

    Cheers

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