Bulk Calphos - 2100lb Totes

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Calphos is a natural, slow-release source of phosphorus and calcium that helps build strong root systems, improve fruit and flower development, and enhance overall soil fertility. Unlike acid-treated phosphates, Calphos is non-leaching and won’t burn plants — it releases nutrients gradually as soil biology breaks it down, making it ideal for long-term soil health and sustainable gardening. Show more