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Thread: CO2 Set with Manual Adjustment

  1. #1
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    CO2 Set with Manual Adjustment

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    I bought a CO2 cylinder with manual adjustment. I found that when I adjust the nut, either I got a lot of bubbles (meaning high CO2 outflow) or no bubbles (meaning zero CO2 outflow).

    I want to check with bros whether you encounter this problem? Is it because of faulty nut or it is just me?

    I have another CO2 set with solenoid. Got no problem at all.

  2. #2
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    i think what you are missing here is the needle wheel. What you are having are just a big black adjustment knot which is very hard to tune.

  3. #3
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    As Keigo mentioned, those CO2 regulator with solenoid normally comes with a needle valve and thus could do fine turning. But not so for those manual type.
    Welcome to visit my-blog

  4. #4
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    When I was using a manual regulator, once I set the node at the regulator... I left it alone. Only played with the main node at the top of the canister to 'off/on' the CO2.

    Since the regulator is set at constant, you'll notice that less bubble (at the bubble counter) being produced it indicates that its time to refill the CO2 tank.

  5. #5
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    Somehow, tried for quite long and can't get it right. Would buying a bioplast regulator help? Do I get the fish shop owner to fix it for me?

  6. #6
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    a regulator is used to reduce the cylinder pressure of about 1000psi to 20~30 psi. the regulator does not control the co2 flow rate.
    a needle valve is used to control the flow rate.
    so getting the bioplast regulator only will not help your situation. you need both a regulator and a needle valve.
    thomas liew

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