Grow up to 15,000 gel balls at once! The GelStrike Ammo Tub makes it easy to fully submerge gel balls in water, providing optimal hydration and growth. The integrated water strainer makes it easy to pour water and load gel balls, while the collapsible design makes for easy storage. Grow 15,000 gel balls at a time. Expandable tub that holds up to 1.5 gallons of water. Lid with integrated water strainer for easy use. Molded handle makes it easy to pour and strain.