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NTS Soft Rock Phosphate is a colloidal form phosphate providing full season availability to your plants and soil.
The Soft Rock Phosphate is unprocessed with exceptional trace element levels and high in silicon. It includes 8-9% phosphorus, 19.3% calcium and a rich lode of trace elements. Known for not having problems with heavy metal cadmium the NTS Soft Rock Phosphate is a great option to re-mineralise your soil.