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amending softwater
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  1. El Natural
    If you have soft tapwater (GH and KH of 3 or below), I think that mixing a calcium mineral source with the soil before setup is a good idea. In setting up tanks in the past, I mixed dolomite lime (CaCO3 and MgCO3) with the soil (a few tablespoons of powdered dolomite lime per gallon of soil)...
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