General Hydroponics Armor Si 0-0-4
Best silica supplement for growers seeking stronger, more resilient plant structures.
General Hydroponics Armor Si is a liquid silica supplement that enhances plant structure and overall health. It's suitable for all plant types and growth stages, working effectively in hydroponics, coco coir, and other media. By strengthening cell walls, Armor Si improves plant resistance to pests and environmental stressors, leading to increased yield and vigor. This supplement also boosts heat and cold tolerance, enhances flower and fruit production, and improves light absorption for greater plant stature. Easily integrate it into your regular feeding schedule for robust plant development.
$15.00
Owner Satisfaction
4.7
/ 5
Category Rank
50
/ 4348
#50 in Fertilizers
Price vs Category Average
-76%
Below average
NPK Ratio
004
/ --
Who it's for
- Indoor gardeners seeking stronger stems and structural plant integrity
- Growers managing plants in harsh or fluctuating environmental conditions
- Botanists needing rapid nutrient uptake for immediate plant protection
Who should skip it
- Beginners intimidated by frequent nutrient solution pH adjustments
- Hydroponic users wanting to avoid complex mixing and line clogging
- Gardeners looking for an all-in-one, simplified fertilizer solution
Performance breakdown
Structural reinforcement
Silica content significantly fortifies cell walls against environmental stressors.
Stress resilience
Noticeable improvement in plant tolerance to extreme heat and cold.
Yield potential
Consistent use leads to visibly denser fruit and flower production.
Media versatility
Performs reliably across hydroponic, coco coir, and soil environments.
Ease of integration
Liquid concentrate formula blends seamlessly into any standard feeding schedule.
Light efficiency
Enhanced foliage development maximizes light absorption for faster growth cycles.
Key Specs
NPK Ratio
0-0-4
Form
Liquid Concentrate
Fertilizer Source
Mineral Based
Nitrogen
0%
Phosphorus
0%
Potassium
4%
Application Method
Soil Drench
Season of Application
All Season
Features
- Strengthens plant cell walls
- Enhances foliar development
- Increases overall plant yield
- Boosts heat and cold tolerance
- Improves stress resistance
- Increases light absorption
- Enhances flower and fruit production
- Suitable for all plants and media
What customers say
Customers consistently praise Armor Si for its reliable performance, noting significant improvements in plant structure and resilience. The primary sentiment revolves around the high quality of the silica, which translates directly into stronger stems and better resistance to environmental stress. Users feel this product is an essential foundation for successful growing, making it a high value addition to their nutrient regimen. It is considered a foundational element that simply works as expected, delivering dependable results across various growing methods.
Know before you buy
Armor Si is a silica supplement designed to strengthen plant cell walls. This structural reinforcement helps your plants better withstand environmental stressors like heat and cold while improving their overall resilience against pests.
Yes, it is designed to be easily integrated into your current feeding schedule. Because it is a mineral-based supplement with an NPK of 0-0-4, it works well alongside most standard hydroponic or soil-based nutrient programs.
Armor Si is versatile and suitable for use with vegetables, flowers, houseplants, and trees. It performs effectively in various growing media, including hydroponics, coco coir, and traditional soil.
By fortifying cell walls, silica allows plants to grow sturdier and absorb light more efficiently. This leads to improved foliage development and, ultimately, higher yields and more robust flower and fruit production.
No, Armor Si has an NPK ratio of 0-0-4. It provides only potassium and silica, so you will need to ensure your primary fertilizer provides the necessary nitrogen and phosphorus for your plants' growth stages.
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