CalPhos® Soft Rock Phosphate — 50 lb. Granular

CalPhos Granular is the standard CalPhos powder soft rock phosphate granulated with an organic binder for easier handling, spreading, and reduced dust. Same proven 0-3-0 analysis as the standard powder — natural, untreated soft rock phosphate with colloidal clay from Canton Mills. OMRI listed for organic production. Sold in a 50 lb. kraft paper bag.

Key Specifications

• Analysis: 0-3-0
• Available P2O5: 3%
• Total P2O5: 20%
• Calcium (Ca): 20%
• Form: Standard powder granulated with organic binder
• Package: 50 lb. kraft paper bag
• Certification: OMRI listed for organic use
• Not acid forming — will not cake or harden

Granular vs. Powder

The granular form offers easier handling and spreading with less dust compared to the standard powder, while delivering identical nutrient analysis. Choose granular for broadcast spreading; choose powder for incorporation into compost or fine blending.

Applications

• Soil Amendment — Broadcast spread for slow-release phosphorus and calcium
• Organic Programs — OMRI listed, compatible with all organic production systems
• Compost — Add to compost piles to retain nitrogen and boost phosphorus
• Transplanting — Apply at planting for root establishment support

Available Sizes

• 1 lb. | 4 lb. | 20 lb. | 50 lb.