Hesi SOIL Phosphorus Plus

NPK:  0-8-4

Combined with Bloom Complex, Hesi Phosphorus Plus insures maximum flowering results of plants potted in soil.

While producing flowers plants depend on phosphorus for extra formation of flowers, and potassium to provide near-instant transport to the flower.

Phosphorus Plus contains both phosphorus and potassium formulated in a balanced ratio.

The high quality ingredients of Hesi products provide easy absorption with no unused residues left in the soil.

Application Rate: 25 ml per 10 Liter of nutrient solution. Use during 2nd half of flowering phase along with Hesi Bloom Complex. 

More info from the manufacturer (PDF format - Lots of detail.)