Jack's Classic Nutrients Part B

No, this product is designed as a component of a two-part system. It must be paired with Part A to provide a complete nutritional profile, as Part B focuses specifically on calcium and nitrogen.

Yes, it is highly versatile and suitable for a wide range of plants, including vegetables, flowers, shrubs, and lawns. Because it is water-soluble, it integrates easily into most existing feeding programs.

This powder is highly soluble and works well for both fertigation—where it is mixed into your irrigation system—and foliar application, where you spray it directly onto the leaves for rapid absorption.

Calcium is essential for building strong cell walls and overall structural integrity in plants. Supplementing with this formula helps prevent common deficiencies that can lead to weak stems or poor fruit development.

Because this is a water-soluble, immediate-release formula, your plants can absorb the nutrients almost instantly upon application. You should see signs of improved vigor and growth relatively quickly compared to slow-release granular fertilizers.