$22.99 – $76.99
Roots Organics CalMag is a pure and all natural blend of calcium, magnesium and sulfur to support plants during fast growth. Use Roots Organics CalMag as a calcium and magnesium supplement to adjust to the needs of various mediums and growing conditions.
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.
Magnesium 1.0% (0.5% Water Soluble Magnesium)
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.