Ask us about our Foam Fluid Discount Program.  Call now.  Double Stack foam concentrate is twice as strong as other comparable foam fluids. It stacks higher and produces a dense foam while using half the amount of concentrate. Great for nightclubs, college parties, backyard parties, day care, birthdays and private events. This foam provides hours of fun at a fraction of the cost. A mixture of 1 gallon foam fluid to 100 gallons water.  Don't forget to ask us how you can get a discount on foam fluid.