Method Seven Evolution FX Classic varo__5m The EC of Classic Vega

The EC of Classic Vega dissolved in (tap) water varies between 1

It has even been claimed that the absence of silicon from nutrient solutions constitutes a form of stress to the plant

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Method Seven Evolution FX Classic varo__5m The EC of Classic VegaMETHOD SEVEN EVOLUTION FX: For use under Full Spectrum LEDs, CMH, or LEC! Not for use under Blurple (Blue+Purple) or Magenta Spectrum LEDs. Protects your eyes from harmful light. Minimizes eye strain, headaches, & dizziness. Shatter resistant polycarbonate lenses. Lenses wont haze, chip, peel, or fade. Anti glare. Durable TR90 frame molds to your face for a comfortable fit. Classic Wayfarer style frame that provides plenty of coverage. FX Lens