Similar to: Peters Professional Excel Cal-Mag Special
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Best nutrient solution for professional growers managing peat-based ornamental crops.
This is the gold standard for growers battling soft water who need to keep plants compact and vibrant. By packing three types of chelated iron into a perfectly soluble formula, it trades the simplicity of all-in-one pellets for the precision control required to achieve professional-grade color and structural health.
Calcium & Magnesium
Compact Growth
Black Iron
Water Soluble
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Optimized Secondary Nutrient Delivery
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Professional-Grade Water Solubility
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Superior Iron Availability
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Requires Base Nutrient Integration
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Premium Price Point
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Risk of Nutrient Lockout
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 bloom-boosting formula for gardeners wanting vibrant flowers and larger yields.
Best high purity supplement for serious hydroponic growers.
Best high performance fertilizer for indoor peat based container gardening.
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.