Gold Label Hydro A&B is a professional grade two part nutrient for the vegetative and flowering phase in peat, hydro substrates such as expanded clay pebbles (Gold Label RHP Hydrocorn) and rockwool mediums.
Used Hydro A&B together will make any hydroponic garden the talk of the town!
Use in combination with Gold Label Roots, Ultra Mg, and Ultra PK for optimum results.
— Ships from HF: OR, CA, CO, PA, TX, FL USA (No USPS).
For more information, please visit the manufacturer Vermicorp Organics' website.