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Working pressure/ needle valve setting

Discussion in 'CO2 Enrichment' started by Dkoi, Jul 2, 2017.

  1. Dkoi

    Dkoi New Member

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    Hello,
    I've been trying to get my co2 delivery stabilized since setting up a new 5 lb canister with Taprite regulator/ solenoid. I'm having some difficulty getting a good flow of fine bubbles through the ceramic diffuser. I have to crank the needle valve wide open & set the working pressure to 30 psi just to get a decent flow. Is it me , or the diffuser? I should mention that prior to obtaining this 5 lb tank I was using the Fluval 88 c02 canister for the past 8 months. It worked perfectly(better than the big boy) except for the cost of $ 20.00 per canister which lasted 5 days ! I know it takes some tweaking, but at this rate I will probably burn through a 5 lb in a month ! Here's what the diffuser looks like. Thanks [​IMG]

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  2. rajkm

    rajkm Article Editor
    Staff Member Lifetime Member Article Editor

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    Ceramic diffusers need a minimum of 30psi working pressure. I would setting it to 40psi and the dial in the needle valve.
     
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  3. Dkoi

    Dkoi New Member

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    Thank you! I was told 10 psi, so 40 sounds like it would work better.
     
  4. Slythy

    Slythy New Member

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    You have a leak somewhere in the system for it to only last 5 days. Since you are using a diffuser I will guess your tanks under 75g. My 40b's 10lb lasted ~8 months.
     
  5. Dkoi

    Dkoi New Member

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    No actually I don't. The first c02 system I had was the tiny 88 gram Fluval canister. That one only lasted 5 days. My new 5 lb tank, now set at 35 psi & 6 bps is working perfectly. The gauge hasn't even moved a bit , still on 1000 psi. Full tank after 10 days now. But thanks for your reply.

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  6. Slythy

    Slythy New Member

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    Ahh i read that wrong. Ignore me hahaha
     
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