pH/ORP/Temp waterproof tester, -2.00 to 16.00 pH Back Catalog number: PH58 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended CTS-21102 APCI Capillary Electrode, API 4000, API 5000, 4500 Price on request MC410 TDS monitor MC410 Price on request MI5560 pH55 (pH/Temp waterproof tester Mi5560 Price on request