Jack's Classic Calcium Nitrate Fertilizer

Yes, this is a two-part system designed to work in tandem. Part A provides the essential macronutrients and micronutrients, while Part B supplies the necessary calcium to ensure your plants receive a complete, balanced nutritional profile.

While it is engineered specifically for hydroponic cultivation, it can be used in soil. However, you must carefully monitor your application rates, as hydroponic formulas are highly concentrated and designed for continuous liquid feeding rather than traditional soil amendments.

Because this is a water-soluble powder, it dissolves easily into your water reservoir. Always mix Part A and Part B separately into the water to prevent nutrient lockout or precipitation, ensuring each component is fully dissolved before adding the next.

No, this is a synthetic, mineral-based nutrient system. It is not certified organic, but it is formulated for high precision and consistency in controlled hydroponic environments.

Part A features an NPK ratio of 5-12-26, focusing on root and leaf development. Part B is a calcium nitrate formula with an NPK ratio of 15-0-0, which is essential for strengthening plant structure.