Hydro Silicon is the reformulation of the ever popular Bio-Silicon, designed with Hydro growers in mind.

Prevent stems from snapping under heavy yields, reduces leaf droop, protects against heat, cold, drought and intense light and helps to prevent pest attack.

Straight potassic fertiliser with iron – potassium silicate

Potassium oxide (K2O) 5.9 (4.9%K)
Silicon as SiO2 soluble in water 7.4%