Rock phosphate origin ensures natural, slow-release phosphorus for long-term soil fertility
Calcium-rich formulation helps maintain soil pH balance and structure
Silica content enhances plant strength and stress tolerance
Granular format allows for easy application to garden beds, lawns, and turf
Supports steady root development, flowering, and fruit set over multiple growing cycles
Fertoz is a rock-phosphate–derived phosphorus fertilizer from The Soil Makers, designed for long-term phosphorus availability and soil balance. This granular product delivers meaningful phosphorus to establish strong roots and steady growth, with a composition that also contributes calcium and silica to support soil structure and plant r
Total Phosphorus
20%
Available Phosphorus
7%
Cao (Calcium Oxide)
31%
Sio2 (Silica)
26%
Application Method
Granules
Suitable Space
Outdoors
5.0
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Love this stuff and love this company!!! All my plants are BUSTING out of the soil. I've seen honestly surprising things and the only thing I changed was adding Soil Makers supplements. The Fertoz has been great and they replaced after it arrived broken and mixed with Azomite.