General Hydroponics
General Hydroponics CaMg Plus
Best nutrient supplement for gardeners seeking healthier flowers and robust growth.
General Hydroponics CaMg Plus is an essential supplement that provides a natural source of calcium and magnesium, vital for robust plant development. This biologically catalyzed formula uses oyster shell, dolomite lime, and natural plant extracts to enhance nutrient transport into plants. By optimizing plant metabolism, CaMg Plus promotes improved growth and healthier flowers and fruits. It is available in Quart, Gallon, 2.5 Gallon, and 6 Gallon sizes, making it suitable for various growing needs.
$19.49
Owner Satisfaction
4.7
/ 5
Category Rank
50
/ 4348
#50 in Fertilizers
Price vs Category Average
-68%
Below average
Fertilizer Type
Supplement
/ Supplement
Who it's for
- Hydroponic hobbyists aiming to prevent nutrient lockout in sensitive systems
- Gardeners struggling with yellowing leaves or stunted plant growth
- Growers switching between hydroponic, soil, and coco coir setups
Who should skip it
- Budget-conscious growers using hard tap water
- Beginners uncomfortable with measuring PPM or EC levels
- Users already applying nutrient-dense base formulas
Performance breakdown
Nutrient Bioavailability
Biologically catalyzed formula ensures rapid absorption for immediate plant uptake.
Organic Integrity
Sourced from oyster shell and dolomite for high-quality natural supplementation.
Metabolic Support
Effectively optimizes plant metabolism to drive vigorous flower and fruit development.
Application Versatility
Liquid concentrate format integrates seamlessly into diverse hydroponic and soil systems.
Nutrient Transport
Enhances systemic nutrient flow to prevent common calcium and magnesium deficiencies.
Scalability
Broad range of container sizes accommodates everything from hobbyists to professionals.
Key Specs
Fertilizer Type
Supplement
Fertilizer Form
Liquid Concentrate
Release Type
Quick Release
Fertilizer Source
Organic, Natural
Secondary Nutrients
Calcium and Magnesium
Target Plant Type
Vegetables, Flowers
Season of Application
All Season
Organic vs. Synthetic
Organic (biologically catalyzed from natural sources)
Features
- Natural calcium and magnesium source
- Biologically catalyzed for efficacy
- Enhances nutrient transport
- Optimizes plant metabolism
- Promotes healthier flowers and fruits
- Supports overall plant growth
- Available in multiple sizes
What customers say
General Hydroponics CaMg Plus earns high marks for its exceptional reliability and strong value proposition. Consumers view this supplement as an essential, dependable tool for maintaining plant health, especially when growing in coco coir or soft water. Its effectiveness in quickly correcting common calcium and magnesium deficiencies is consistently highlighted. Users appreciate how easily it integrates into existing feeding schedules, offering peace of mind and delivering visible, positive results without complexity.
Know before you buy
Calcium and magnesium are essential secondary nutrients that support cell wall structure and chlorophyll production. If your plants show signs of yellowing leaves or stunted growth, this supplement helps correct those deficiencies to ensure robust development.
Yes. CaMg Plus is derived from natural sources like oyster shell and dolomite lime, making it an organic-compliant choice for your vegetable or flower garden.
The biological catalysts in this formula help the plant absorb and transport nutrients more efficiently than standard mineral-based supplements. This process optimizes the plant's metabolism, leading to faster uptake and stronger overall health.
It is safe and effective for both vegetables and flowers. Because it supports fundamental plant metabolism, it is a versatile addition to any feeding regimen regardless of the plant variety.
As a quick-release liquid concentrate, the nutrients are readily available for the plant to absorb shortly after application. You should see improvements in plant vigor and foliage color relatively quickly compared to slow-release granular amendments.
No, CaMg Plus is a supplement designed to be used alongside your base fertilizer program. It fills specific nutritional gaps rather than providing the full NPK profile required for complete plant nutrition.
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