Superthrive Hydroponic Fertilizer Add to fertilizer for growth! Unique normalizing vitamins - hormones (50). SUPERthrive™ World Champion activator, reviver, transplanter and grower. Super Concentrated! 1 Tbsp per 15 Gallons! Great for everything green... indoor/outdoor plants, seedlings, bulbs, trees, lawns. NON-Pesticide, NON-Polluting - 50 biousables normal pure complexes. Choose between 4 oz and pint sizes.