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Rock Phosphate 0-3-0 – 5lb
Original price was: $12.99.$10.39Current price is: $10.39.
(In Stock)
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.
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