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Thread: The PH myth

  1. #91

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    Quote Originally Posted by Ironman View Post
    That's what I thought lol.

    I didn't realise that the acidity values multiply rather than just count up and down.

    When I've tried to PH to 5.8 in coco and hit 6.0. Then go, oh well that'll do. I'm not just the 0.2 times acidic it's far greater difference. Shit man I should have listened to my science teacher instead of lighting gas taps and throwing rubber bungs at him.

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    This is why I added 1 drop of UP at a time to my res yesterday. Took me all day to go from 5.5 to 5.9.

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  3. #92

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    Quote Originally Posted by Ironman View Post
    That's what I thought lol.

    I didn't realise that the acidity values multiply rather than just count up and down.

    When I've tried to PH to 5.8 in coco and hit 6.0. Then go, oh well that'll do. I'm not just the 0.2 times acidic it's far greater difference. Shit man I should have listened to my science teacher instead of lighting gas taps and throwing rubber bungs at him.

    Sent from Thames Iron works
    As pH 5.0 is 10x more acidic than 6.0, a pH of 5.8 is 2x more acidic than 6.0.
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  5. #93

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    Good old logarithms

    Bet some folk used log books back in the day

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  7. #94

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    Quote Originally Posted by Herbitual View Post
    As pH 5.0 is 10x more acidic than 6.0, a pH of 5.8 is 2x more acidic than 6.0.
    That's 10 x what I thought, incredible. Next time, it will be perfect precision, until I get lazy pmsl

    Sent from Thames Iron works

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  9. #95

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    Quote Originally Posted by gardro View Post
    Good old logarithms

    Bet some folk used log books back in the day
    Dreadful book. Brown cover. Awful ending.

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