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Cronk Nutrients CalMag 2-0-0


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Introducing Cronk Nutrients™ CalMag 2-0-0: Your Garden's Essential Growth Elixir

Unleash the full potential of your plants with Cronk Nutrients CalMag 2-0-0, a concentrated elixir of calcium, magnesium, and iron that your garden craves. Critical for all stages of growth, CalMag ensures your plants flourish, warding off issues like blossom end rot and tip burn that can plague calcium-intensive plants such as 'tomatoes' and lettuce.

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Powerful Benefits of Cronk Nutrients CalMag

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  • Holistic Growth Support: Our blend of calcium, magnesium, iron, and nitrogen provides comprehensive nourishment, fueling your plants' vitality. Calcium fortifies cell walls and enhances nutrient absorption, magnesium drives photosynthesis and energy production, iron is essential for chlorophyll synthesis, and nitrogen fuels protein and DNA formation, leaf expansion, and photosynthesis.

  • Versatile Compatibility: At Cronk Nutrients, we believe in universal gardening solutions. Our fertilizers are designed to nurture various plant types and adapt seamlessly to diverse growth mediums. Whether you're cultivating hemp, vegetables, fruits, or flowers, our CalMag is your trusted companion.

  • Medium Magic: Grow your garden anywhere, whether it's indoors or outdoors, in soil or hydroponic systems, and even using coco coir. Our CalMag ensures consistent, exceptional results across all setups.

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Choose Cronk Nutrients CalMag 2-0-0 to unlock the full potential of your garden. Get ready for a thriving, vibrant oasis teeming with healthy, flourishing plants. Your garden will thank you.

Order Yours Today!


Total Nitrogen (N) - 2%

2% Nitrate Nitrogen

Calcium (Ca) - 3.2%

Magnesium (Mg) - 1.2%

Iron (Fe) – 0.1%

0.1% Chelated Iron (Fe)

Derived from: Calcium Nitrate, Magnesium Nitrate, Iron EDTA


  • Shipping is FREE on all orders to customers within Australia. 
  • After placing an order, you will receive an email confirmation.
  • Your item(s) will be packed and shipped within 3 days.
  • A shipping confirmation will be sent within 24 hours of the item(s) leaving the warehouse.
  • In the case that your item is on back-order or unavailable, we will contact you immediately.  

For more information, please refer to our 'Shipping' page. 


Upon arrival, please inspect the packaging of your item(s). If you notice any damage, please make a note when signing for delivery or do not agree to accept the delivery. If you do accept delivery of a damaged package, you are required to take photos immediately of the damages (packaging and/or products) and forward to our Customer Service team at


Visit our 'Returns' page for information on how to lodge your return claim online.

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Cronk Nutrients CalMag 2-0-0 Reviews