Quote:
Originally Posted by Cole_Robbie
I am not an EB grower, but just the 4 18 38, cal nitrate, and epsom salts do not make a complete fertilizer. I would think one would need additional amendments.
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One doesn't need anything else, no. This is basically a complete hydroponics formula. The 4-18-38 has the micronutrients already. There are various formulas from different companies for the 'base', one should read carefully in what form each microelement is and in what concentration.