dry salt

  1. Christos Ioannou

    Potassium Nitrate (poor in chlorides)

    Hi all, my KNO3 is running out so I tried a local garden shop. They are selling 2kg package Potassium Nitrate for €10, labelled 13,7-0-46,3 I was worried about the label "poor on chloride" - does this infer that the product does have chloride but very little; little enough for aquarium use...
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