General Hydroponics
General Hydroponics Armor Si Silica for Plant Growth Enhancement (1 Quart)
Best silica supplement for growers seeking stronger, more resilient plant yields.
General Hydroponics Armor Si is a versatile nutrient supplement designed to enhance plant growth and resilience. Suitable for all plant types and growth stages, it can be integrated into hydroponic systems, coco coir, or any growing medium. Armor Si improves plant structure, boosts yield, and increases flower and fruit production. It also enhances plants' ability to tolerate heat and cold, resist stress, and absorb light more effectively, leading to more robust and vigorous plants. Use it with irrigation water or alongside your regular feeding schedule for optimal results.
$15.60
Owner Satisfaction
4.7
/ 5
Category Rank
50
/ 4348
#50 in Fertilizers
Price vs Category Average
-75%
Below average
NPK Ratio
004
/ --
Who it's for
- Budget-conscious growers using diverse cultivation mediums
- Growers seeking sturdier stems and better stress resistance
- Gardeners wanting natural pest and pathogen protection
Who should skip it
- Users preferring low-maintenance irrigation and reservoir systems
- Beginners intimidated by frequent pH monitoring and adjustment
- Busy gardeners wanting a simple, flexible nutrient mixing routine
Performance breakdown
Structural reinforcement
Silica content significantly strengthens cell walls for sturdier plant stalks.
Stress resilience
Noticeable improvement in plant recovery during temperature fluctuations and environmental stress.
System versatility
Seamlessly integrates into any hydroponic setup or traditional soil medium.
Yield potential
Consistent application leads to denser flower sets and increased fruit production.
Ease of integration
Liquid concentrate formula mixes effortlessly into existing nutrient feeding schedules.
Light efficiency
Optimizes foliage development to maximize photosynthetic light absorption capacity.
Key Specs
NPK Ratio
0-0-4
Nitrogen
0%
Phosphorus
0%
Potassium
4%
Fertilizer Source
Mineral Based
Application Method
Irrigation water or in addition to regular fertilizers
Season of Application
All Season
Target Plant Type
Vegetables, Flowers
Features
- Improves plant structure and foliar development
- Increases yield and flower/fruit production
- Enhances heat and cold tolerance
- Boosts plant stress resistance
- Improves light absorption
- Suitable for all plant types and growth stages
- Works in hydroponics, coco coir, and all media
- Use with irrigation or regular fertilizers
What customers say
Consumers overwhelmingly praise Armor Si for its tangible impact on plant health and structure. The consistent theme is quality, with users noting significantly thicker stems and increased resilience, especially in challenging growing environments. Many growers consider this silica supplement essential, viewing it as a foundational element for robust growth rather than just an additive. Furthermore, its concentrated nature ensures excellent value for money, making it a highly recommended staple in hydroponic and soil gardens alike.
Know before you buy
Armor Si provides supplemental silica, which strengthens plant cell walls. This results in sturdier stems, improved resistance to environmental stressors like heat or cold, and better overall structural integrity for your plants.
Yes, it is designed to be compatible with most nutrient programs. You can add it to your irrigation water or mix it alongside your regular fertilizer schedule.
Yes, Armor Si is alkaline and will typically raise the pH of your nutrient solution. It is important to check and adjust your pH levels after adding it to your reservoir or water mix.
Absolutely. Armor Si is fully water-soluble and safe for use in hydroponic systems, coco coir, and soil-based growing media.
Armor Si is beneficial throughout all stages of plant development, from seedlings to the flowering and fruiting phases. Consistent use throughout the plant's life cycle provides the best results for structural support.
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$16