Roots Organics HPK 0-4-3 Liquid Bloom Booster Single Ingredient Supplements Outdoor Use Only:

Outdoor Use Only:

Improves Measurement Accuracy: Provides a known reference value for adjusting compatible digital meters

Easy to use as a simple flowering fertilizer for soil and soilless container gardens

this unique liquid nutrient provides gentle

Mix or circulate the solution thoroughly

Roots Organics HPK 0-4-3 Liquid Bloom Booster Single Ingredient Supplements Outdoor Use Only:Roots Organics HPK is a minimally processed liquid bloom booster designed to support flower formation, fruit development, and mid bloom weight gain. Made with natural phosphorus and potassium sources, HPK helps provide the bloom stage nutrition plants need during the middle of the flowering cycle. Formulated with seabird guano, phosphate rock, and langbeinite, Roots Organics HPK delivers phosphorus to support flower and fruit development, along with