1 gallon concentrate makes 50 gallons of foam… just add water! Clean white harmless biodegradable. Foam will last 40 minutes in dry conditions and dry in six to eight hours. Fill a 20′ x 20′ x 6′ pit in 25 minutes. For use with the CITC Foam Dome. (NOTE: Add 1 gallon Concentrate to 49 gallons warm water.) Each 1 gallon of concentrate makes 50 gallons of foam.