Rooted Leaf CalMag Fuel
Best calcium supplement for growers seeking clean, high-yield plant development.
Rooted Leaf CalMag Fuel is a premium calcium and magnesium supplement designed to prevent nutrient deficiencies and lock-out, promoting robust plant growth and strong cell walls. This formula features 100% bioavailable calcium and is free from nitrates, phosphates, sulfates, chlorides, carbonates, and animal products. Enriched with soluble carbon from fermented botanicals, it energizes plant metabolism for enhanced quality and yield. Suitable for soil, coco, or foliar application, it simplifies feeding without requiring pH adjustment or aeration.
$25.00
Owner Satisfaction
4.6
/ 5
Category Rank
1940
/ 4448
#1940 in Fertilizers
Price vs Category Average
-59%
Below average
Calcium Content
6
/ %
Who it's for
- Hydroponic enthusiasts requiring clog-free, versatile nutrient supplements
- Gardeners needing fast-acting solutions for nutrient deficiencies
- Indoor growers aiming for stronger, more resilient plant stems
Who should skip it
- Budget-conscious hobbyists seeking the most economical fertilizer options
- Beginners preferring simple, low-maintenance feeding routines
- Growers using hard water or already nutrient-dense base fertilizers
Performance breakdown
Nutrient Bioavailability
Fully plant-available calcium ensures rapid uptake without common nutrient lock-out issues.
Application Versatility
Seamlessly transitions between soil drenching, coco coir, and foliar spray applications.
Ease of Use
Eliminates the need for pH adjustments or aeration during the feeding process.
Metabolic Support
Soluble carbon from fermented botanicals provides a direct energy boost for plants.
Purity Profile
Clean formula excludes harsh salts, nitrates, and synthetic stabilizers for safer feeding.
Terpene Enhancement
Optimized mineral ratios actively support the development of aromatic plant compounds.
Key Specs
Calcium Content
6%
Magnesium Content
1%
Carbon Content
13%
Fertilizer Source
Natural, Mineral Based
Nitrogen Percentage
0.0%
Phosphorus Percentage
0.0%
Potassium Percentage
0.0%
Application Method
Foliar Spray, Soil Drench
Features
- 100% bioavailable calcium for optimal uptake.
- Boosts microbial activity and conditions soil.
- Enhances terpene production pathways.
- Rich in soluble carbon to fuel plant growth.
- Free of preservatives, stabilizers, and emulsifiers.
- Versatile for soil, coco, and foliar feeding.
- Low salt index, ideal for flush periods.
What customers say
Growers consistently celebrate the tangible quality of Rooted Leaf CalMag Fuel, noting its remarkable effectiveness in quickly resolving common calcium and magnesium deficiencies. The consensus points to its superior solubility, which translates directly into exceptional ease of use, eliminating mixing hassles and ensuring rapid plant uptake. This reliable performance and streamlined application process solidify its position as a high value staple in the nutrient regimen.
Know before you buy
No, this product is specifically formulated as a calcium and magnesium supplement and contains 0.0% nitrogen, phosphorus, and potassium. It is designed to address specific nutrient deficiencies without altering your primary NPK feeding schedule.
No, Rooted Leaf CalMag Fuel does not require pH adjustment or aeration. Its unique formulation is designed to be stable and ready for immediate use in your irrigation or foliar spray routine.
Yes, it is fully compatible with foliar application. Because it is 100% bioavailable and free from harsh salts, it is safe to spray directly onto leaves to provide quick nutrient uptake.
While the product is derived from natural, mineral-based sources and fermented botanicals, it is not officially organic certified. It is, however, free from animal products, nitrates, and synthetic preservatives.
The 13% soluble carbon content acts as an energy source for plant metabolism and helps condition the soil. This promotes more efficient nutrient uptake and supports the microbial activity necessary for robust growth.
Yes, because it has a low salt index and is free from common additives like chlorides and sulfates, it is safe to use during the flush period to support plant health without leaving behind unwanted mineral buildup.
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