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Thread: CO2 refill question

  1. #41
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    Quote Originally Posted by robin
    Better be careful that they are giving you the correct food or medical grade CO2 man.

    Regards
    Robin
    Yup, they also re-fill for all the LFS and their cylinder it higher than a normal height of Singaporean.
    The More You Share, The More You Have

  2. #42
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    Quote Originally Posted by robin
    Better be careful that they are giving you the correct food or medical grade CO2 man.

    Regards
    Robin
    If I am not wrong, for food grade CO2, they will flush your existing tank with their CO2 before filling up. That's what the guys at Chem-Gas (the place I do top up) told me.

    I guess it isn't that important if we are using our own cylinders and for planted tanks only. Just like what we used to do for DIY CO2 which isn't 100% CO2.
    koah fong
    Juggler's tanks

  3. #43
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    Quote Originally Posted by juggler
    If I am not wrong, for food grade CO2, they will flush your existing tank with their CO2 before filling up. That's what the guys at Chem-Gas (the place I do top up) told me.

    I guess it isn't that important if we are using our own cylinders and for planted tanks only. Just like what we used to do for DIY CO2 which isn't 100% CO2.
    I think so and after using it for few days, everything is okay and the plants pearling like crazy. Now, we know that CO2 is very cheap to fill.
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  4. #44
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    Arrow Chem-Gas Pte Ltd

    Quote Originally Posted by BFG
    Guys, do you have the exact address of the said company?
    Chem-Gas Pte Ltd
    3 Tuas View Lane (Near Tuas Power Station)
    Singapore 637641
    Tel : 6897-8998

    For info Only.
    $8 CO2 refill up to 5L (if not mistaken), please call before going as their CO2 line close for refilling after 3:30pm everyday. And they issue proper receipt with 4% GST
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  5. #45
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    GST is now 5%, right?
    koah fong
    Juggler's tanks

  6. #46
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    Quote Originally Posted by juggler
    GST is now 5%, right?
    Correct, it should be 5%. Typo-error, sorry..
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  7. #47
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    Just sent my 2L tank for refill at C328 - $18 per refill. Send today(Wed afternoon) getting back on Friday Afternoon.

    Last I did was 1.5 yrs back abt $15 per refill. Didn't know price went up already.

  8. #48
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    newbie qns here:

    when i send the tank for refill, shld I remove the regulator or any parts of the co2 set?

  9. #49
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    Quote Originally Posted by CoCoNut3
    newbie qns here:

    when i send the tank for refill, shld I remove the regulator or any parts of the co2 set?
    U need to use a spanner to remove the regulator (remember to turn off the main knob first) and of course switch off the electric current to the regulator.
    Just need the bare tank with main knob closed tight - Label your tank with permanent marker for easy identification.

    Reverse the process when you get back your filled tank.

    Any other input/comment is welcome.

  10. #50
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    Quote Originally Posted by tonyhow
    U need to use a spanner to remove the regulator (remember to turn off the main knob first) and of course switch off the electric current to the regulator.
    Just need the bare tank with main knob closed tight - Label your tank with permanent marker for easy identification.

    Reverse the process when you get back your filled tank.

    Any other input/comment is welcome.
    thanks for the info!!

  11. #51
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    Quote Originally Posted by tonyhow
    ............................... course switch off the electric current to the regulator.
    .........................
    it should be switch off electricity to the solenoid.
    co2 regulator does not need electricity to work.
    thomas liew

  12. #52
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    Re: CO2 refill question

    Quote Originally Posted by TanVincent View Post
    This is the list I have compiled so far, would enncourage more input from fellow hobbyist.


    Yew Cheong (AsiaPac) Pte Ltd - Kallang

    2l - unknown
    3.5l - $15
    5l - unknown

    days needed - 3 to 5 days

    Nature Aquarium - Thomson

    2l - unknown
    3.5l - $20
    5l - unknown

    days needed - 1 to 1 exchange if same cylinder

    Pet Mart - Serangoon

    2l - unknown
    3.5l - $20
    5l - unknown

    days needed - 1 working day


    Bioplast - Boon Keng Road

    2l - $15
    3.5l - $25
    5l - $25

    days needed - 10 to 15 mins

    WKS Industrial Gas Pte Ltd - Tuas Ave 10

    2l - $15
    3.5l - $15
    5l - $15

    any other sizes - $15

    days needed - 1 day

    K&K - Tampines

    2l - unknown
    3.5l - $15
    5l - $22

    any other sizes - unknown

    days needed - 3 to 5 days

    A&G Group - 20 Changi South St 1 Singapore 486778
    Tel: 64493166
    HP: 96662766

    2l - unknown
    3.5l - $15 (industrial grade), $30 (food grade)
    5l - unknown

    any other sizes - unknown

    Notes: $5 additional charge for picking up.

    days needed - 2 days
    Came across this thread, so did an update:

    Just back from WKS (22 Tuas Avenue 10) to refill my 3L CO2 cylinder. Price remained same at $15 + GST ($1.05). Took the gentleman 10-15 mins to complete the refill but 20 mins for the admin staff to generate the invoice, perhaps because I had to be registered as a new account. Staff was generally helpful and friendly.

    Refilled another 3L CO2 cylinder at Bioplast a few months back on a Sunday. Cost was $24 but contents would likely be less as the industrial refilling by WKS uses constant pressure when refilling. (You can tell by the difference in coldness of the cylinders immediately after refill. WKS: Icy-cold. Bioplast: Aircon-cold).

    By the way, think SOXAL (Air Liquide) at 16 Tg. Kling (formerly where you can do the CO2 refill) has moved to: IPAG HUB Air Liquide. 1 Tuas South Place, Singapore 636764. Don't know prices because no one picks up the phone even after several calls.
    Last edited by Ebi; 15th Feb 2021 at 17:51. Reason: Add additional info on SOXAL

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