i have a kalkenstein reactor that i built 4 months ago that i want to sell. reason im getting rid of it is that it has a screw on cap and i wanted a taller one so i could fill it every other week. it is 25 in. tall and a 4 in. diameter round. powered by a maxijet 400, has a 3/8in. line going into it and a 1/4in. line coming out. it has a 6 in. clear pvc piece in the middle of the white pvc to see whats going on in there. it holds 160 oz. of fluid. as i said it has a screw on cap with the inlet on the top of the cap. i have been running on a 90 gal& 29 sump& 5 gal fuge holding 8.3 ph consistently. has to be filled weekly. any other questions pm me, no pics as my black and orange camera from walmart has no hook up for a cord to go into the computer.lol asking 40.00 obo. will take trade of palys,zoas or montis, actually anything.