PK 13/14 is a dynamic amplifier of the flowering that will be stunned. It is a highly concentrated and carefully coordinated mixture of pure phosphorus and potassium for better flower development. This unique combination of elements can be called rightly super flower paintings, as they develop heavier, more compact and sweeter flowers in extremely short time. Breeders worldwide have proven that PK 13/14 significantly increases the weight of the flowering and each time! In contrast to inferior potash products, PK 13/14 has a guaranteed composition of 13% P2O5 and 14% K2O. PK 13/14 is unique, absolutely safe, easy to use and incredibly effective. PK 13/14 is not a nutrient but a nutrient additive. A proven product that every breeder should use.