Milwaukee MA9020 ORP Calibration Solution 200-275 mV | 230 mL for Platinum & Gold Electrodes instrument case 4” wide x ”

4” wide x ”

The Milwaukee MA830R is the replacement Temperature Probe for portable pH/Temp meter MW102

HI7041L is designed to refill the electrolyte solution for polarographic dissolved oxygen probes

Hydroponics & indoor growing nutrient management

For use with 26oz Stainless Steel Thermal Bottle

Milwaukee MA9020 ORP Calibration Solution 200-275 mV | 230 mL for Platinum & Gold Electrodes instrument case 4” wide x ”Milwaukee MA9020 ORP Calibration Solution 200 275 mV 230 mL The Milwaukee MA9020 is a lab grade ORP validation solution certified to the 200275 mV range. Designed for use with platinum and gold ORP electrodes, it ensures your meter delivers accurate, repeatable oxidation reduction potential readings every time. Whether you're managing water quality in aquaculture, hydroponics, laboratories, or industrial applications, the MA9020 gives you the