Bloom Cal-mag
Best nutrient supplement for growers correcting calcium and magnesium deficiencies.
Elevate your plant's health with Bloom Cal-mag from Advanced Hydro Gardens. This liquid concentrate supplement delivers essential calcium and magnesium to correct common secondary nutrient deficiencies. Designed to integrate seamlessly into your feeding regimen, it supports robust plant development. Available in multiple sizes, from 1L to 25L, it caters to growers of all scales. Part of the comprehensive Bloom nutrient line, it ensures your plants receive the vital support they need for optimal growth cycles.
$17.55
Owner Satisfaction
4.7
/ 5
Category Rank
50
/ 4425
#50 in Fertilizers
Price vs Category Average
-72%
Below average
Fertilizer Source
Mineral Based
/ Mineral Based
Who it's for
- Gardeners struggling with visible nutrient deficiencies
- Hydroponic growers managing inert media systems
- Cultivators seeking consistent pH levels in nutrient solutions
Who should skip it
- Novices intimidated by precise nutrient measurement
- Budget-conscious growers prioritizing low-cost mineral supplements
- Users already applying complete, all-in-one nutrient lines
Performance breakdown
Nutrient Bioavailability
Mineral-based formula ensures rapid absorption for immediate deficiency correction.
Mixing Compatibility
Integrates smoothly into existing feeding schedules without causing nutrient lockout.
Scalability
Diverse size options accommodate everything from hobbyists to large-scale commercial operations.
Concentration Potency
High-strength liquid concentrate delivers significant value per milliliter used.
Deficiency Correction
Targeted calcium and magnesium delivery effectively reverses common secondary nutrient stress.
System Integration
Designed to complement the broader Bloom line for a cohesive regimen.
Key Specs
Fertilizer Source
Mineral Based
Water Soluble
No
Fertilizer Form
Liquid Concentrate
Release Type
Quick Release
Available Sizes
1L, 2.5L, 15L, 25L
Features
- Supplies essential calcium and magnesium
- Corrects secondary nutrient deficiencies
- Supports robust plant development
- Liquid concentrate formula
- Part of the Bloom nutrient line
- Multiple volume options available
What customers say
Customers consistently highlight the exceptional effectiveness of Bloom Cal mag, noting rapid correction of nutrient deficiencies in various grow setups. Reviewers frequently mention that a little goes a long way, making the product highly concentrated and providing superior value for money. Growers appreciate the noticeable improvement in plant vigor and overall yield, establishing this supplement as a reliable staple in their nutrient regimen.
Know before you buy
You should look for signs of calcium or magnesium deficiency, such as yellowing leaves, brown spots, or stunted growth. These issues often appear in the middle to lower leaves of the plant.
While it is designed as part of the Advanced Hydro Gardens Bloom line, it is a mineral-based supplement that can generally be integrated into most feeding regimens. Always check your base nutrient labels to ensure you aren't over-supplementing calcium or magnesium.
Because this is a quick-release liquid concentrate, it is formulated for rapid absorption. You should see signs of stabilization in your plants shortly after application, though existing damage to leaves will not be reversed.
Yes, the liquid concentrate formula is versatile and can be used across various growing media. It is particularly useful in hydroponics or coco coir, where calcium and magnesium levels can fluctuate more frequently than in soil.
Yes, as a concentrated supplement, it must be diluted according to the specific feeding schedule provided by Advanced Hydro Gardens. Never apply the concentrate directly to your plants or growing medium.
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$18