General Hydroponics Armor Si, 1 Quart

SKU: NU-HNAS-032
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Availability: In stock

Lead time: This product ships in 3-5 business days

Shipment Restrictions
This item cannot be shipped to the following states: CA, KY, NM, OK


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Sale Price$26.27

General Hydroponics Product Documents

General Hydroponics Armor Si™ MSDS

Armor Si Premium Silicate Supplement improves plant structure and foliar development, increases yield, and improves flower and fruit production!


Armor Si is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, Coco Coir and all types of media. 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. Your plants will additionally experience improved heat and cold tolerance, stress resistance, improved light absorption which leads to greater plant stature.

  • Highest concentration of Silica in any product!
  • Improves resistance to wilt, heat, and drought, and improves the strength, rigidity, and flexibility of cell walls.
  • Enhances metabolic functions and plant growth rates by balancing nutrient uptake, distribution, and transport, leading to improved fruit and flower production.
  • Increases success rates in propagation of cuttings.
  • Strengthens cell walls and enhances the plants' ability to adjust and follow light, resulting in more light for the plant.
  • Necessary for healthy plants. Silica is recognized by the CFDA as a key element in all plant life. Normally derived from soil, Silica is a necessity for any hydroponic or soilless garden.

Premium Silica (10%)


General Hydroponics Armor Si Application Notes

Which comes first, Armor Si or CALiMAGic
  • When using both Armor Si and CALiMAGic, add Armor Si to the reservoir first.
  • When using Armor Si and/or CALiMAGic, with Flora Series, these products should be added prior to adding FloraMicro.
Brand General Hydroponics
SKU NU-HNAS-032
Weight (lb.) 2.5300
Height (in.)
Width (in.)
Length (in.)
Hazardous Material false
UPC 793094017824
Shipping Restrictions CA, KY, NM, OK
Lead Time 3-5
N-P-K 0 - 0 - 4
Nutrient Application Hydroponic and Soil Nutrient
Nutrient Type Inorganic Based
OMRI Certified No
Nutrient Material Type ["Liquid"]

What does General Hydroponics Armor Si do for plants?

General Hydroponics Armor Si is a premium silicate supplement that improves plant structure and foliar development, increases yield, and enhances flower and fruit production. Armor Si also strengthens cell walls, improves heat, cold, and drought tolerance, boosts stress resistance, and enhances light absorption for greater overall plant stature.

Is General Hydroponics Armor Si compatible with hydroponic, coco coir, and soil growing?

Yes, General Hydroponics Armor Si is suitable for hydroponics, coco coir, and all types of growing media. Armor Si can be used as a growth enhancer added to irrigation water or alongside regular fertilizers, making the supplement versatile across a wide range of growing setups.

Why is silica especially important for hydroponic and soilless gardens?

In soil-based growing, plants normally derive silica from the soil itself, but hydroponic and soilless gardens lack this natural source. General Hydroponics Armor Si supplies silica directly, which the CFDA recognizes as a key element in all plant life, making Armor Si a necessity for growers who are not using traditional soil.

Can General Hydroponics Armor Si be used during all growth stages?

General Hydroponics Armor Si is suitable for all types of plants during all stages of growth, from propagation through flowering. The description specifically notes that Armor Si increases success rates in the propagation of cuttings, making the supplement useful from the very earliest stage of plant development.

When using General Hydroponics Armor Si alongside CALiMAGic and Flora Series nutrients, what is the correct mixing order?

General Hydroponics recommends adding Armor Si to the reservoir first, before CALiMAGic. When using Armor Si and CALiMAGic together with the Flora Series, both Armor Si and CALiMAGic should be added prior to adding FloraMicro to avoid nutrient interactions.

What is the silica concentration in General Hydroponics Armor Si, and is the formula organic?

General Hydroponics Armor Si contains 10% premium silica, which the brand claims is the highest concentration of silica available in any product. Armor Si is an inorganic-based liquid formula and is not OMRI certified, so the supplement is not approved for certified organic production.

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