Quote:
Originally Posted by ginger2778
Promix, all types, come with mycorrhizae so you can use Tomato Tone. I use it exclusively. Also supplement once per week with a teaspoon of calcium nitrate and 1/3 teaspoon Epsom salts. Production is unreal.
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Great! I just bought a 50lb bag of greenhouse grade calcium nitrate cheap, though I'm all set up for fertigation anyway.