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How do I read the OG from Hydrometer?

  • 31-12-2010 6:51pm
    #1
    The_B_Man
    Registered Users, Registered Users 2 Posts: 7,877 ✭✭✭


    I'm just a little bit unsure, after just doing my first brew, on how to read the OG.
    I took a photo, and was wondering do I read from the top or from the bottom? The fermenter temp gauge said it was 20/22 Celsius when i poured from the tap into the hydrometer tube. Also, the instructions say I should be getting a reading nowhere near what I'm getting here!

    Should I take it as 1.115? Or 1.100?
    See attached pic:


Comments

  • #2
    kenmc
    Registered Users, Registered Users 2 Posts: 7,277 ✭✭✭kenmc


    what is that thing? like no hydrometer I've ever seen!


  • #3
    DavidH82
    Closed Accounts Posts: 78 ✭✭DavidH82


    The_B_Man wrote: »
    I'm just a little bit unsure, after just doing my first brew, on how to read the OG.
    I took a photo, and was wondering do I read from the top or from the bottom? The fermenter temp gauge said it was 20/22 Celsius when i poured from the tap into the hydrometer tube. Also, the instructions say I should be getting a reading nowhere near what I'm getting here!

    Should I take it as 1.115? Or 1.100?
    See attached pic:

    That's a Cooper's Microbrew set isn't it? You read from the scale on the top of the hydrometer. That piece of paper that comes with it is just a reference that shows the relationship between gravity, sugar content and alcohol potential.

    There is a good video here that explains how to read it and a bit of the theory behind it.


  • #4
    The_B_Man
    Registered Users, Registered Users 2 Posts: 7,877 ✭✭✭The_B_Man


    Cool. I've watched a few of his other videos now.

    Actually, I have another question.
    Does leaving the fermenter non-sealed make a difference?

    I was wondering why I wasnt getting any bubbles and I just realised I hadnt fully twisted the lid as tight as possible. I'm hoping it didnt get infected. I've been away for 2 days and theres a manky smell in me room which is either the beer, or the stink from my two day hangover from New Years!! :p

    Although, the hyfrometer reading is now 1020, from the 1040 OG on new years eve.


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