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CalMag 51
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HealthyEarth CalMag 51

Ca 5.23%, Mg 1.4%, N 3.2%, B 50 ppm, Mo 0.9 ppm; sea minerals plus seaweed extracts and trace elements

Sea Minerals with Seaweed & Traces

Specialised liquid blend of calcium and magnesium from sea minerals, plus nitrogen, boron, molybdenum, seaweed and trace elements for low calcium and magnesium soils. Unique 5:1 Ca:Mg ratio. Minimises nitrogen loss via stable ammonia form, amends sodic soils by displacing harmful salts, boosts chlorophyll formation, increases leaf size in deficient plants and provides fast vegetative recovery. Multi-purpose soil or foliar. No artificial nitrates. Suits all crops and pasture. Australian owned and made.

Available sizes:

20 L200 L1000 L
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βœ“Key Benefits

  • Sea-mineral calcium and magnesium in an efficient 5:1 Ca:Mg ratio for balanced uptake
  • Stabilises nitrogen to reduce volatilisation and leaching in sandy soils
  • Rapidly amends sodium-affected and sodic soils by displacing harmful salts
  • Magnesium as chlorophyll catalyst β€” boosts photosynthesis, leaf size and vigour
  • Added boron, molybdenum and seaweed for trace and hormonal support
  • Dual-purpose soil conditioning and foliar nutrition
  • Indefinite shelf life, concentrated and environmentally safe
  • Suits all crops and pasture with no artificial nitrates

πŸ“Dosage Guide

  • Soil: from 10 L/ha in minimum 100 L water/ha
  • Foliar: 1–2 L/ha in minimum 100 L water/ha
  • Higher rates for severe deficiencies or sodic soils
  • Always soil test for precise rates

🎯Best For

Sodic soilsLow calcium or magnesium soilsCitrusStone fruitTomatoesBrassicasAll crops and pasture

How to Use

Mix well before use. Dilute with water for soil drench, irrigation or foliar spray. Apply via irrigation, soil injection, spraying or foliar in cool conditions. Do not exceed 2500 microsiemens EC for foliar application to avoid leaf burn. Rates depend on soil type and test.

⚠️ Safety Information

Do not exceed 2500 microsiemens EC for foliar to avoid leaf burn. No artificial nitrates. Environmentally safe. Mix with water before use.

Have a question about CalMag 51?

Ella can tell you if this product is right for your situation, and what rate and timing to use.