SuperThrive Vitamin Solution, 1 GallonThe Essential Vitamin Solution SuperThrive is a vitamin solution containing kelp and vitamin B1, used for over 50 years by soil and hydroponic growers of all types. Our highly concentrated, non toxic vitamin formula maximizes each plant's potential by helping establish and maintain a strong root base. SuperThrive works with all hydroponic systems and mediums and is the perfect addition to your nutrient regimen be it natural, synthetic, or aquaponic.