General Hydroponics
1 qt – Diamond Black Quart
Best nutrient enhancer for gardeners seeking to maximize crop yield and health.
Enhance your flowers and fruit production with General Hydroponics Diamond Black Quart. This nutrient enhancer accelerates nutrient absorption into plant roots through natural mineral chelation. It acts as a chelator, increasing the availability and transportation of vital micronutrients for robust crop development. Diamond Nectar is pH buffered to an ideal range of 5.8 to 6.2, supporting optimal growth in various gardening applications, including prepared soil, soilless mixes, coco blends, and hydroponics.
$19.99
Owner Satisfaction
4.7
/ 5
Category Rank
50
/ 4348
#50 in Fertilizers
Price vs Category Average
-68%
Below average
Fertilizer Source
Mineral Based
/ Mineral Based
Who it's for
- Gardeners seeking maximum nutrient absorption efficiency
- Growers prioritizing vigorous root system development
- Cultivators using diverse growing media and systems
Who should skip it
- Growers unable to maintain regular reservoir maintenance
- Users with delicate drip irrigation systems
- Beginners preferring simple, all-in-one nutrient solutions
Performance breakdown
Nutrient Bioavailability
Natural mineral chelation significantly improves how plants uptake vital micronutrients.
System Versatility
Seamlessly integrates into soil, coco, and complex hydroponic setups.
pH Stability
Maintains a consistent, ideal range to prevent common nutrient lockout issues.
Concentration Potency
Liquid formula delivers a high-impact boost in a compact quart size.
Ease of Integration
Quick-release properties ensure immediate availability for rapid plant development.
Yield Enhancement
Directly supports more robust flower and fruit production cycles.
Key Specs
Fertilizer Source
Mineral Based
Application Method
Soil/soilless mixes, coco blends & hydroponics
Organic Certified
false
Container Weight
2.36 lbs
Water Soluble
false
Target Plant Type
Vegetables, Flowers
Fertilizer Form
Liquid Concentrate
Release Type
Quick Release
Features
- Accelerates nutrient absorption
- Enhances micronutrient availability
- pH buffered for ideal growth
- Supports soil and hydroponic systems
- Boosts crop growth and development
What customers say
Customers consistently praise the exceptional quality and noticeable effectiveness of General Hydroponics Diamond Black. The primary sentiment revolves around its powerful impact on root health and overall plant vitality, often describing results as immediate and robust. Users frequently highlight the product's excellent value for money, noting that its high concentration means a small amount yields significant benefits across multiple feeding cycles. This ease of integration and reliable performance establishes it as a trusted staple for serious growers seeking superior nutrient uptake without complexity.
Know before you buy
Diamond Black acts as a natural mineral chelator. It binds to micronutrients, making them easier for your plant's root system to absorb and transport throughout the plant.
Yes, it is fully compatible with hydroponic systems, as well as soil, soilless mixes, and coco coir blends.
Diamond Black is pH buffered to a range of 5.8 to 6.2. While it is designed to maintain an ideal environment, you should still monitor your reservoir pH regularly as part of your standard routine.
No, Diamond Black is a mineral-based nutrient enhancer and is not certified organic.
It is specifically formulated to support the development of flowers and vegetables, helping to boost overall crop production and plant health.
Diamond Black is a nutrient enhancer, not a complete fertilizer. You should use it alongside your regular base nutrient program to improve the efficiency of your existing feeding schedule.
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$20