Thermo Orion Versa Star With Ph/ise Module VSTAR40A Unit EA. The Ph/ise module will work with any Thermo Fishers Ph/ise probe (sold separately). The THERMO FIsher Ph/ise module will work with most Any size ponds without any need for an aeration hole....
Thermo Orion Versa Star With Ph/ise Module VSTAR40A Unit EA. The Ph/ise module will work with any Thermo Fishers Ph/ise probe (sold separately). The THERMO FIsher Ph/ise module will work with most Any size ponds without any need for an aeration hole....