• Neptune Systems Apex LD-2 Solid Surface Leak Detection Probe: brand new, never seen water. $25
  • Neptune Systems Apex MOS Magnetic Optical Sensor: brand new, never seen water. $35
  • Salinity Refractometer w/ Calibration Fluid: brand new, $15
  • Hanna HI755 - Marine Alkalinity Colorimeter: great condition, half a bottle of reagent left. Comes with original factory case. $40
  • Hanna HI713 - Phosphate Low Range Colorimeter: great condition, include ~23 reagent packets and original factory case. $50

Pick up in the Birmingham (48009) area. Please PM to arrange pick up. Thanks!