Used 1000 gallon Pfaudler vertical #5014 glass lined chemstor tank. Model CV-60-1000-50. 60" diameter X 75" high straight side. Welded dished heads. Internal rated 50/FV @ 450 deg F. National Board # 45870. Built 1990. MFR# R290-0268. Mounted on legs. Fittings Top: (1) 18" manway and (3) 3". 3" bottom drain. (Fire polish good, only glass damage is at 3" top nozzle on the interior of tank. Could possibly be fixed with a nozzle patch.)