General Hydroponics Armor Si

Starting At: $12.30


Armor Si by General Hydroponics is a blend made with Silica and Potassium to promote a stronger, more stress-resistant yield. Armor Si can be used in a variety of systems including hydroponics, soil, and soilless to name a few. Armor Si can also be used as a growth enhancer in addition to your regular fertilizer.

  • (0-0-4)
  • Can be used in a range of growing situations
  • Strengthens plant through Silica and Potassium
  • Encourages stress resistance in plants

More Info




General Hydroponics Armor Si

Armor Si delivers the benefits of Silica and Potassium; increased plant strengthening and stress resistance leading to increases in agricultural production (yield). Beneficial in hydroponics, Coco-Coir and soilless blends, potted plants in prepared soils as well as for garden cultivation.

May be used as a growth enhancer in addition to your regular fertilizers. Use the mild solution for young plants, perennials, and as a foliar spray. Use the full-strength solution for fast-growing annuals during foliar and structural growth, as well as flowering and fruit production.

  • Silica benefits: Strengthens plants, improving plant stature which leads to advantageous exposure of leaves to light. Improves stress resistance, drought tolerance, heat and cold stress tolerance.
  • Potassium benefits: Improves plant growth including structural and foliar growth, increases yield, and improves flower and fruit production.

How to Use:

Add Armor Si to fresh water first. Stir while adding. Next add fertilizer to water. Check and adjust pH range to 5.5 to 6.5

  • Mild Strength add 1/4 teaspoon Armor Si per gallon water
  • Full Strength add 1/2 teaspoon Armor Si per gallon water
  • Maximum Strength add 1 teaspoon per gallon water
  • Foliar Spray add 1/4 to 1/2 teaspoon Armor Si per gallon water

Guaranteed Analysis:

Soluble Potash……………………………4.00%

Derived from: Potassium Silicate



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