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Thread: 4x5 BTZS Development Tubes

  1. #1
    おせわに なります! Andrew O'Neill's Avatar
    Join Date
    Sep 2003
    Location
    Coquitlam, BC, Canada, eh!
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    4x5 BTZS Development Tubes

    I've been using them now for 25 years...


  2. #2

    Join Date
    Aug 2022
    Posts
    5

    Re: 4x5 BTZS Development Tubes

    Hi Andy,
    Turns out I've been a follower of your YouTube channel for a while (great work). I didn't connect you here until now. Have you used open ended tubes in the past, partially submerged in a developer tray?

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