Calcium / Mag (Structure)


Thank you for you interest in this product.

Please provide your details below and we will notify you when this product is back in stock.

  • By clicking "Submit" you authorize Planet Natural to send you email communications

N, P and K tend to get top billing in plant nutrition, but other essential elements should get credit for complete plant performance. RAW Calcium-Mag (9-0-0) delivers a powerful boost in a completely soluble formula. It provides a strong nutritional foundation to maximize energy during fruiting and flowering phases!

• Balanced for maximum nutrition and uptake!
• 15% Ca, 3% Mg
• Won’t leave salt residue in growing media
• Extremely concentrated
• Compatible with all nutritional programs

Available in 2-oz (makes 200 gallons) and 8-oz sizes.

Recipe Book (PDF)
Feeding Schedule (PDF)

Add 1/16 to 1/8 tsp per gallon in reservoir for irrigation. Apply as needed.

Grower’s Tip:
Keep an eye out for magnesium deficiency. A clear sign is when the veins on leaves stay green while the tissue between veins turns yellow.