solution

  1. Luis Batista

    4dKH Solution

    Hello I have been read about solutions of 4dKH for the drop checker but they all are a little big in the amounts of water to use. I dont want to be left with 4 or 5 L of a 40dKH solution. So i scale it down to this: 500ml Distilled water + 0,6gr sodium bicarbonate = 500ml solution 40dKH...
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