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CalPhos soft rock phosphate

CalPhos soft rock phosphate fertilizer 0-3-0

Calphos™ is a natural, untreated soft phosphate with colloidal clay containing valuable minor minerals in addition to phosphorus. It is not acid forming, will not cake or harden and spreads easily through any type of lime, phosphate or fertilizer spreader.


Calphos™ is not a complete fertilizer and should never be used as such. It is an excellent source of phosphate that is being used profitably for farmers who are interested in getting a dollar’s value for a dollar spent. When applied to the soil Calphos™ adheres to and becomes a part of the soil. It will not leach and it will not revert and once applied remains in the soil until used by the plants. Calphos™ contains no harmful acids and encourages growth of soil bacteria and earthworms.



CalPhos, soft rock phosphate, 1 pound

CalPhos, soft rock phosphate, 1 pound

CalPhos 0-3-0 fertilizer, 1 pound Use Nature's Own Calphos™ An Untreated, Soft, Phosphatic Clay Containing 3% Available P2O5 (20% Total...

$2.75

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CalPhos, soft rock phosphate, 4 pounds

CalPhos, soft rock phosphate, 4 pounds

CalPhos 0-3-0 fertilizer, 4 pounds Use Nature's Own Calphos™ An Untreated, Soft, Phosphatic Clay Containing 3% Available P2O5 (20% Total...

$5.00

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CalPhos, soft rock phosphate, 20 pounds

CalPhos, soft rock phosphate, 20 pounds

CalPhos 0-3-0 fertilizer, 20 pounds Use Nature's Own Calphos™ An Untreated, Soft, Phosphatic Clay Containing 3% Available P2O5 (20%...

$10.50

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Calphos, soft rock phosphate granular 50 pound bag

Calphos, soft rock phosphate granular 50 pound bag

Calphos 0-3-0 fertilizer 50 pound bag $15.20 Natural, untreadted soft rock phosphate and colloidial clay. OMRI approved Calphos ™ is a...

$15.20

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