*Smaller* size is one 8 oz. "Sea Com-PGR" and one 2 oz. "SUPERthrive". Makes 48 gallons of stimulator mix. *Save $3 when you buy them together* *Medium* size contains one 16 oz. Sea Com-PGR and one 4 oz. Superthrive. *SAVE $4.00 when you buy the medium size!* Get your *new transplants* off to a great start by using Saltwater Farms *Sea Com-PGR* concentrated liquid seaweed plant food and *SUPERthrive* hormone growth stimulant to encourage vigorous new root growth.