Similar to: ICL Peters Cal Mag Special
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Best professional-grade fertilizer for container plants grown in soft water.
This is the gold standard for growers battling soft water, delivering a precise calcium-magnesium boost that keeps plants compact and vibrant. You trade the simplicity of a basic all-purpose feed for a sophisticated, chelated nutrient profile that ensures your plants actually absorb what they need.
Cal-Mag Supply
Compact Growth
Black Iron
Water Soluble
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Comprehensive Nutrient Delivery
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Superior Iron Availability
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High Purity and Solubility
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Requires Water Quality Monitoring
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Limited Stage Flexibility
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Premium Price Point
Best nutrient supplement for serious gardeners seeking professional plant vitality.
Designed for soft water systems, this specialized formula bridges the gap by delivering essential calcium and magnesium. It promotes compact, healthy growth in container-grown ornamentals and bedding plants through a balanced, high-nitrate nutrient profile.
Nutrient Supplement
Growth Control
Chelated Iron
Water Soluble
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Optimized Secondary Nutrients
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Enhanced Iron Availability
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Superior Solubility
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Specialized NPK Ratio
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Premium Price Point
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Moisture Sensitivity
Best reliable nutrient boost for serious home gardeners.
A specialized, water-soluble supplement designed for hydroponic systems requiring precise nutrient control. It pairs with a companion fertilizer to deliver essential calcium and nitrogen, promoting vigorous leaf growth through a continuous liquid feed program.
Water Soluble
Leaf Growth
Liquid Feed
Customizable
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High Water Solubility
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Immediate Nutrient Availability
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Professional-Grade Purity
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High Nitrogen Concentration
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Moisture Sensitivity
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Supplemental Formula Only
Best professional-grade fertilizer for vibrant geraniums in peat-based potting mixes.
Best high purity supplement for serious hydroponic growers.
Best bloom-boosting formula for gardeners wanting vibrant flowers and larger yields.
Best all-in-one fertilizer for growers using tap or well water.
Best high-phosphorus fertilizer for maximizing cannabis and hemp flowering yields.
Best high performance fertilizer for flower enthusiasts seeking maximum blooms.
Best nutrient supplement for gardeners preventing blossom end rot and tip burn.
Best nitrogen supplement for gardeners seeking vigorous, healthy plant growth.