Roots Organics Super Phos Rock

Starting At: $14.23


Roots Organics Super Phos Rock is a dry nutrient amendment used to maximize the heft and flavor of plants. Made with a high concentrated source of calcium and phosphorus, the Super Phos Rock packs a heavy punch of 20% available calcium improving the quality of your yield. Super Phos Rock can be used in soil, water, or outdoor applications.  

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Roots Organics Super Phos Rock

Roots Organics Super Phos Rock is incredibly high in phosphorus and calcium and is extracted from select caves when the quality is at its highest. Potent and powerful high phosphorus guano is consciously extracted to not disturb the bat colonies, and provides a completely natural source of phosphorus and calcium. Roots Organics Super Phos Rock is fast acting and so powerful it should be used carefully and sparingly. All of the Roots Organics guano’s are carefully sourced for quality and harvested with bat friendly methods so you and your garden get performance with principles.


See Feed Schedules for specific application recommendations.

Container Gardening

  • LIGHT FEEDING — Add 1/2 teaspoon per gallon of soil.
  • HEAVY FEEDING — Add 1/2 Tablespoon per gallon of soil.

Liquid Application
Add 1-2 Tablespoons bat guano per gallon of water and let brew for 24 to 48 hours. Water direct into soil.

Vegetable Gardens and Flower Beds
Apply 2-3 lbs per 100 square feet and mix into soil.


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