Mighty Plant PK Bloom' is a bloom stage probiotic plant food with a 2-8-8 analysis derived from an unmatchable mineral blend of potassium phosphate and potassium sulfate, with also just enough nitrogen to keep cell functions active during bloom stage. The water soluble powder also contains amino acids, kelp, probiotic microbes and carbohydrates for promoting aggressive rooting, prolific bloom & flower finishing within your crop.