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  1. Fertilizers and Water Parameters
    I added CaSO4 in the amount of 0.1g/L to deionized water. I mixed tested and let sit over night then tested with same results. My calculations by atomic weight would show that I would have ~23.5 ppm Ca and ~56.5 ppm Sulfate based on the Chemical formula CaSO4·2(H20). When I do a Calcium test...
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