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General Hydroponics

General Hydroponics®, Armor Si®, 0-0-4, Silica for Plant Growth Enhancement (2.5 Gallon)

General Hydroponics®, Armor Si®, 0-0-4, Silica for Plant Growth Enhancement (2.5 Gallon)


Regular price $79.99 USD
Regular price $169.99 USD Sale price $79.99 USD
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Armor Si™ Silica For Plant Growth Enhancement, Soluble Potash (K2O) 4% - 2.5 Gallon

Armor Si™, with 4% Soluble Potash (K2O), is a versatile growth enhancer suitable for hydroponics, Coco Coir, and all grow media. Strengthen your plants, improve structure, and boost foliar development. Increase yield and enhance flower and fruit production.


  • Armor Si™ is suitable for all types of plants during all stages of growth
  • Use as a growth enhancer with irrigation water or in addition to your regular fertilizers
  • Armor Si™ improves plant structure and foliar development, increases yield and improves flower and fruit production
  • Strengthen plant structure
  • Enhance foliar development
  • Increase yield
  • Improve flower and fruit production
  • Enhance heat and cold tolerance
  • Boost stress resistance
  • Improve light absorption for greater plant stature

For Plant Types

  • Hemp
  • Vegetables
  • Herbs
  • Fruits
  • Flowers
  • Other high value crops

For Use With Various Grow Media

  • Rockwool
  • Potting mix
  • Coco
  • Peat lite mix
  • Water culture
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General Hydroponics® | Grow More Boldly™

With over four decades of groundbreaking innovation, General Hydroponics has reshaped the way plants are grown worldwide. From humble garage beginnings to global acclaim, their journey epitomizes the relentless pursuit of excellence in hydroponics. Dive into our collection of General Hydroponics products and join the adventure of cultivating extraordinary yields, fueled by passion and innovation. Elevate your growing experience with the trusted brand that's redefining the possibilities of hydroponic cultivation.

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