HSO-12. A high Potassium Fertilizer. To assist with the Flowering of your plants.

To improve the Flowering of our Orchids we apply HSO-12 which contains a higher percentage of Potassium.

N.P.K. = 12/12/20 and TE + Calcium Mixed at the rate of 1 gr / litre water, see our culture notes for more information on Fertilizing