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  1. #11
    clay's Avatar
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    No, it doesn't have to be lab grade. Here is the recipe from Eric Nielsen on the alt list, which is the one I use:

    2 lbs of Pot Carb with 1.75 lbs to make 1 gallon of water. 1 lbs = 457
    g and 1 gallon = 3.8 l ( top of my head but close enough as it is just POT
    OX).

    Mix your Pot Card into cool distilled water; about 1/2 your total volume.
    SLOWLY add your Ox Acid as it WILL BUBBLE!!!!. Add to completion and top
    off with water to make final volume.

    Do this outside. It releases a lot of carbon dioxide. Not poisonous, but can displace all that nice oxygen filled air your lungs desire.

    Quote Originally Posted by eggshell View Post
    Hi Clay,

    Does the PO formula with pot phosphate monobasic change the contrast & printing speed as compared to standard PO?

    Also, what is the formula to mixing my own PO from Potassium Carbon & Oxalic acid? Do they need to be lab grade? I remember a post not too long ago but couldn't seem to find it.

    Thanks a million.
    I just want to feel nostalgic like I used to.


    http://www.clayharmon.net - turnip extraordinaire

  2. #12

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    That does it! Thanks again Clay.

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