Down to Earth Rock Phosphate 0-3-05lb - OMRI ListedSoft 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.
Brand
Down To Earth Fertilizer
Height (in)
3.5
Length (in)
10.75
Width (in)
5.5
GTIN
714360078158
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