General Hydroponics
General Hydroponics Flora Grow, Bloom, Micro Combo Fertilizer
Best three-part nutrient system for serious hydroponic growers.
The General Hydroponics Flora Micro is a vital liquid nutrient concentrate, forming the foundation of a three-part feeding system. It delivers essential macro and micronutrients crucial for all growth stages, especially when combined with FloraGro and FloraBloom. This booster formula provides key Nitrogen, Potassium, Calcium, and trace elements, ensuring robust plant development. Formulated for excellent performance across all growing media, this 1-gallon container is a foundational element for successful hydroponic cultivation.
$30.86
Owner Satisfaction
4.7
/ 5
Category Rank
50
/ 4348
#50 in Fertilizers
Price vs Category Average
-50%
Below average
Fertilizer Source
Mineral Based
/ Mineral Based
Who it's for
- Advanced growers seeking precise nutrient customization for specific plant stages
- New gardeners wanting a reliable, community-tested industry standard
- Budget-conscious growers managing large-scale or long-term cultivation projects
Who should skip it
- Busy hobbyists preferring simple, one-step nutrient mixing solutions
- Hands-off growers who want to avoid frequent water monitoring
- Indoor gardeners with limited storage space for multiple large bottles
Performance breakdown
Nutrient Versatility
The three-part system allows for precise, custom-tailored feeding schedules.
System Compatibility
Works seamlessly across hydroponic, coco coir, and soil-based setups.
Concentrate Potency
Highly concentrated formula ensures long-lasting value for large-scale gardens.
Ease of Mixing
Liquid form dissolves quickly, though requires careful measuring for accuracy.
Growth Reliability
A proven industry standard for consistent, professional-grade plant development.
Mineral Precision
Mineral-based delivery provides rapid nutrient uptake for fast-growing crops.
Key Specs
Fertilizer Source
Mineral Based
Nitrogen Percentage
0.0%
Phosphorus Percentage
0.0%
Potassium Percentage
0.0%
Organic Certified
False
Season of Application
All Season
Water Soluble
False
Fertilizer Form
Liquid Concentrate
Features
- Foundation of building-block nutrient system
- Booster formula for enhanced feeding
- Provides essential primary nutrients
- Supplies vital secondary nutrients
- Delivers necessary trace elements
- Suitable for all growing media
- Part of the comprehensive Flora nutrient series
- Designed for hydroponic systems
What customers say
Customers consistently praise the General Hydroponics Flora series for its exceptional reliability and strong value. This three part system is often cited as the industry standard, delivering robust growth and impressive yields across various hydroponic setups. Users appreciate that a small amount goes a long way, making it an economical choice for both novice and experienced growers. The clear instructions ensure ease of use, provided users follow the mixing ratios precisely. This fertilizer combo is viewed as a trustworthy foundation for successful plant nutrition.
Know before you buy
Yes, FloraMicro is designed as the foundational component of a three-part system. It must be used in conjunction with FloraGro and FloraBloom to provide a complete nutrient profile for your plants.
While it is specifically engineered for high-performance hydroponic systems, it is suitable for use in all growing media, including soil and coco coir.
FloraMicro provides essential secondary nutrients and trace elements, such as calcium and nitrogen, that are not present in the other two parts of the system. It acts as the backbone of the nutrient solution, ensuring your plants receive the micronutrients necessary for healthy development.
No, this is a mineral-based, quick-release fertilizer. It is formulated for precise, rapid nutrient delivery rather than organic certification standards.
Store the container in a cool, dark place away from direct sunlight and extreme temperatures. Ensure the cap is tightly sealed after each use to prevent evaporation or contamination.
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$31