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Thread: mineral oil creeps into air line. Also Bubbles chug and not consistent.

  1. #1
    Join Date
    Aug 2012
    Location
    Sunny Buffalo
    Posts
    13

    mineral oil creeps into air line. Also Bubbles chug and not consistent.

    Hi,

    I have a jbj style bubble counter that has mineral oil in it and at most is half way full. No matter what, it seems oil travels up into air line and accumulates in the sway which acts like a drip loop. I keep changing the line which is a pain, and I'm running out of tubing. I set it to a reasonable rate, and the bubbles pop and never reach the top. I don't know how it's traveling straight up. Any advice. Also. For some reason that didn't happen before. When I set valve to higher flow. Instead of consistent bubbles, I get a hesitation and then a big glug, and this repeats. Any ideas about that.

    Thank you.

  2. #2
    Ditch the mineral oil, use water. I would also ditch the JBJ style counter. It's probably the thing's check valve that causes the burst you're seeing.

  3. Wait, why ditch the mineral oil? I thought that was the recommended thing to use?

  4. #4
    Quote Originally Posted by HybridHerp View Post
    Wait, why ditch the mineral oil? I thought that was the recommended thing to use?
    I wouldn't say it's recommended, but it is one of the possible things you can use.

    Most people use water

  5. #5
    Join Date
    May 2009
    Location
    California
    Posts
    2,305
    I've switched to water, too. Less messy. Water doesn't seem to creep as much either. I concur that the JBJ style bubbler counter is complete crap.

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