Masterflex 7523-80 peristaltic pump for sale with Easy-Load II Two-Channel Pump Head (77202-60). Digital display with brushless motor means simple to use and extremely quiet. Sold together for $725. Includes power cord. Tubing not included. I live in East Bay and work in South Bay. - Flow rate 0.001 to 3400 mL/min with L/S tubing. Flow rate depends on drive rpm and tubing size. - Graphical LCD shows four operating modes continuous run, timed dispense, copy dispense, volume dispense. View pump performance continually. - Dispense by Volume in mL (0.001 to 99999 mL), L, or gal; Copy—1 to 9,999 dispense cycles; or Time—time interval of on/off cycles (1 sec to 99 hr, 59 min, 59 sec per cycle) Easy-Load II two-channel pump head can be used with 1 or 2 dosing lines. Single channel use great for calcium reactor or use both channels for continuous water changes.