• Armor Si Quart
  • General Hydroponics Armor Si
  • Armor Si 2.5 Gallon
  • Armor Si 6 Gallon
  • Armor Si 55 Gallon
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General Hydroponics

General Hydroponics Armor Si

General Hydroponics Armor Si

$18.85
$18.85
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Silica for Plant Growth Enhancement

General Hydroponics Armor Si improves plant structure and foliar development, increases yield and improves flower and fruit production. In addition, your plants will experience improved heat and cold tolerance, stress resistance and light absorption, which leads to greater plant stature. Suitable for various types of plants, during all stages of growth, Armor Si can be used in all types of media including hydroponics and coco coir. Use as a growth enhancer with irrigation water or in addition to your regular fertilizers. 

Guaranteed Analysis

  • Soluble Potash (K₂O) 4.0%
  • Total Nitrogen (N) 0.0% 
  • Available Phosphate (P₂O₅) 0.0%
  • 10% Silicon Dioxide (SiO2)

Derived from: Potassium Silicate

Armor Si is a powerful base (extremely alkaline) and will raise nutrient pH. The more you add to your nutrient solution, the more it will raise pH. Do not allow nutrient pH to rise higher than 6.5.