Roots Organics CalMag, Quart

What does Roots Organics CalMag do for plants?

Roots Organics CalMag supplies calcium, magnesium, and sulfur to support plants during periods of fast growth and heavy feeding. The formula is free of added nitrogen, phosphate, and potassium, so growers can address calcium and magnesium deficiencies without disrupting the primary nutrient ratios of their base fertilizer program.

Why does Roots Organics CalMag contain no nitrogen, phosphate, or potassium?

Roots Organics CalMag is formulated without nitrogen, phosphate, or potassium so growers retain full control over primary fertility inputs. Adding calcium and magnesium through a separate, NPK-free supplement means the base nutrient ratios stay balanced while still correcting any calcium or magnesium shortfall.

Which base nutrients pair well with Roots Organics CalMag?

Roots Organics CalMag is recommended for use alongside high-quality base fertilizers such as Roots Organics Buddha Grow and Roots Organics Buddha Bloom. Combining Roots Organics CalMag with these base nutrients gives fast-growing and heavy-feeding plants a complete mineral foundation.

Can Roots Organics CalMag be used in both hydroponic systems and soil?

Yes, Roots Organics CalMag is suitable for use as both a hydroponic and a soil nutrient supplement. The liquid, organic-based formula works across growing media to deliver calcium, magnesium, and sulfur wherever fast-growing plants need additional support.

Is Roots Organics CalMag an organic product?

Roots Organics CalMag is described as a pure and all-natural blend and is classified as organic-based. The product is not OMRI certified, so growers following a strict certified-organic program should verify whether Roots Organics CalMag meets their specific requirements.