Made from industrial grade components, this Growing Solutions GSIS100 100-gallon compost tea system provides chemical-free nutrition to feed your plants and renews the health of your soil. This compost tea system is ideal for operations of 10 to 50 acres. It features a patented design, fine bubble technology, and a convenient portable size. Operating at 120/220 volts, this compost tea system is engineered for years of safe and consistent operation. Use compost tea catalyst to feed the beneficial microlife produced during the 24-hour compost tea brewing process. Compost tea catalyst sold separately.