Down To Earth Rock Phosphate 0-3-0

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✓ In-store pickup available in Peabody, MA
✓ Talk to a real grower: (978) 278-5898
✓ Heavy soils & media are local pickup only

Soft rock phosphate, or colloidal phosphate, is a natural, untreated source of long-lasting phosphate and soil-building calcium. Phosphate will remain available across a wide pH range. For best availability, soft rock phosphate should be mixed into soil or compost prior to planting.