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  1. Fertilizers and Water Parameters
    Hi, I'd like to introduce my EI Calculator (macros), available for Android Phone. This is a free (and ad-free) application. You can get it by: scanning here Clicking here Or by searching for EI Calculator on Play Store. You can get the suggested dosing to achieve the desired NPK + Mg...
  2. Fertilizers and Water Parameters
    Do i have to go according to the EI calculator for ESTIMATIVE INDEX or EI Daily. Little confused in that. I want to make a DIY fertz with Potassium Nitrate and not getting exactly what option to choose for.
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