Oakton Waterproof pH/CON 10 Meter with Power Supply - Used - Professional

Oakton Waterproof pH/Conductivity/C meter pH/CON 10 series. With probe.

ECO Testr PH1 - Oakton Ecotestr - Used

ECO Testr EC Low Oakton Ecotestr 35462-30 - NEW BATTERIES - Used - Professional

Oakton pH6+ pH Meter (UNTESTED)

Oakton COND6+ Conductivity Tester No Probe - Used

OAKTON CTSTESTR 5 35634-42 CTSTESTER 5 POCKET TESTER SALINITY CONDUCTIVITY & TDS

Oakton SALT 6+ Salinity Meter with Probe - Used