100 gallon tank system is completely pre-engineered, ready for fast setup and operation. The BT100 contains eight individual tanks, each measuring 24 x 40 x 28.5 inches deep (I.D.) Operating capacity is 100 gallons. All tanks are constructed of either 10 gauge mild steel (epoxy painted) or 3/4" welded polypropylene. Includes stainless steel heaters and all plumbing connections. Operating system is made easy with factory service personnel ready to assist you. Each system is shipped with complete operating instructions including video, test kit, owners manual and maintenance log.