Soft rock phosphate, or colloidal phosphate, is a natural, untreated, vegetarian source of long-lasting phosphate and soil building calcium. Rock phosphate provides phosphate that remains available to plants across a wide pH range. For best availability, Down To Earth's soft rock phosphate should be mixed into soil or active compost prior to planting. A superb nutrient resource for plants of all kinds.
| Product Dimensions | 2.54 x 2.54 x 2.54 cm; 2.13 kg |
| Part number | 100526004 |
| Manufacturer | Down to Earth |
| Item model number | 078929 |
| ASIN | B07DLSXGN3 |
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