BACKVitaLink Max Growth Hard Water (A + B)
High quality two-part nutrient for hard water
Great for explosive growth in hydroponic systems. Available in both hard and soft water versions. Contains some additional special components such as vitamin B1 to further improve your plant's performance. Vitamin B1 also assists with root regeneration where the root system has been damaged or stressed through high salinity, pathogens such as pythium, nutrient deficiencies or toxicities, high fruit loading etc.