NPK RAW Calcium/Mag 10lb available at Grow Society for $224.85.
NPK RAW Calcium/Mag 10lb available at Grow Society for $224.85.
NPK RAW Calcium/Mag 10lb
NPK RAW Calcium/Mag 10lb

NPK RAW Calcium/Mag 10lb

Regular price $224.85
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Factory Warranty Included

-6 in stock


  • RAW Cal/Mag contains 15% calcium and 3% magnesium. RAW Cal/Mag has optimized the ratio of each element in a Water-soluble formulation of calcium nitrate & magnesium sulfate so that it doesn’t leave the media salty.
  • This product is a stand-alone Cal/Mag supplement. Due to its low dilution rates, a little RAW Calcium / Mag goes a long way. It is also ideal for treating deficiencies & creating optimal recipe solutions. Works in conjunction with all nutrient & feeding programs.
  • RAW Calcium/Magnesium- Easily mixes into water and is completely soluble.
  • BENEFITS: Is a combination of two primary elements - Calcium Nitrate and Magnesium Sulfate. Helps thicken cell walls to increase the strength of the plant. Helps with the prevention of powdery mildew by reinforcing cell structure and helps plants resist pests.
  • WHERE TO USE: Great for use in soil, hydroponics, or other growing media.
  • DIRECTIONS FOR USE: Add 1/16th to 1/8th tsp per Gallon in the reservoir for irrigation. Apply as needed.

  • NPK Industries Feeding Chart in Grams

    NPK Industries Feeding Chart in Teaspoons

  • Why choose us?
    Fast Shipping

    We have warehouses all over the US, so you'll get your order within 1-3 business days.

    Factory Warranty & Free Returns

    All of our products come with their factory warranties and we also offer free returns if you wish to return a new product.