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calcium

  1. MiZubov

    Ca (kH?) : NO3 and other nutrition ratio.

    When increasing the GH (kH), should I increase the micro or macro dose? I work with soft water a lot and use microdoses there (not the residual index). But when the water has a high GH level, such as 6, should I add both micro and macro doses more? Or can I keep them at the same level? I am...
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