Super Stacking Foam, Makes 400 gallons of production of Foam Party Fun! Highest Concentrate Available Foamdaddy Flash Sale for 24 hours!!!Easy to mix, easy to use, easy clean-up Hypo-allergenic and Bio-degradable Super Stacking Foam! 1 gallon of GEL makes 5 gallons of foam solution/Makes 400 gallons of Foam! 2.5 to 3.5 hours of run time. Significantly better staking foam than cheap powder. Step by step instructions included with each order.