Roots Organics CalMag is a pure and all natural blend of calcium, magnesium and sulfur to support plants during fast growth. By creating a product free of added nitrogen, phosphate, and potassium, we give you control to supplement as needed without affecting primary fertility input ratios. Roots Organics CalMag is ideal for fast-growing and heavy feeding plants. Use in combination with high quality base fertilizers like Roots Organics Buddha Grow and Buddha Bloom.

The long-awaited Roots Organics CALMAG provides a big kick of liquid calcium and magnesium and a healthy percentage of sulfur, a frequently overlooked component of flowering fertility needs. By creating a product without added nitrogen, phosphate, and potassium, we give you control to supplement as needed without influencing primary fertility input ratios. This makes CALMAG the best possible natural calcium magnesium flowering supplement for organic crop production.

APPLICATION RATE
Seedlings and Small Plants
Use 1 teaspoon (5 ml) per gallon.

Mature Vegetative Plants
Use 1 – 3 teaspoons (5 – 15 ml) per gallon.

Mature Flowering Plants
Use 2 – 3 teaspoons (10 – 15 ml) per gallon.