Get Help Choosing the Right Nutrient Program

Nutrient requirements vary by growing system, media, water source, and application method. Complete the form below to request a consultation with our CEA expert, Elliott Gorfain.

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How are nutrients typically delivered to your plants? Select an option Hand watering Injector (e.g., Dosatron) Fertigation system Fully automated nutrient dosing system

Roughly how much nutrient volume are you looking to purchase? Select an option 1–5 gallons 15–30 gallons 55-gallon drum Bulk / multiple containers

How often do you usually need to restock this type of supplement? Select an option One-time Monthly Bi-weekly Weekly Ongoing / continuous

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PuurCalMag Organic Calcium + Magnesium Plant Supplement

Calcium and magnesium supplementation for plant nutrition.

PuurCalMag is an organic calcium and magnesium supplement formulated to help prevent and correct calcium and magnesium deficiencies in plants. It provides calcium and magnesium as part of a plant nutrition program and is intended for use across different growing systems.

The formula uses natural mineral sources and organic acids. The product is described as fully soluble and sediment-free, making it suitable for nutrient delivery systems where maintaining clear nutrient solutions is important.

Product Features

• Calcium and magnesium supplementation for plants

• Designed to help prevent and correct calcium and magnesium deficiencies

• Formulated with natural mineral sources and organic acids

• Fully soluble and sediment-free

• Suitable for soil-based and other plant growing systems

• Designed for use as part of a broader plant nutrient program

Formulation & Sustainability

PuurCalMag is positioned as an organic plant nutrient supplement using selected mineral sources and organic acids. The supplied product information states that the formula does not contain harsh preservatives, dyes, or fillers.

The product is also described as suitable for soil biology and regenerative growing practices.

Plant Nutrition Benefits

• Supports calcium availability in plants

• Supports magnesium availability in plants

• Helps address calcium and magnesium deficiencies in plants

• Supports nutrient transport and photosynthesis in plants

• Provides soluble calcium and magnesium for nutrient programs

• Suitable for plant nutrient management across different growing systems

Part of the PuurOrganic Feed Program

PuurCalMag is part of the Cronk Nutrients PuurOrganic Feed Program and can be used alongside other products in that program as part of a complete plant nutrition strategy.

The supplied product information identifies the following companion products:

• PuurNitro – plant nutrition for vegetative growth

• PuurPhos – plant nutrition associated with root development and flowering

• PuurK – potassium supplementation for plants

• PuurBalance – nutrient uptake and micronutrient support for plants

Together, these products can be incorporated into a plant nutrient program based on the crop, growing medium, water source, and feeding requirements.

For horticultural use only. Not for human or animal consumption.