Preparing Milli-Q Water Getting Started Flush system for 10 minutes using bypass valve. Test pH 1. Turn pH meter on 2. Press calibrate. The meter will ask what channel, it is set to read from channel B. 3. Put the electrode into the 7 pH standard and wait for the reading to stabilize, and press read. 4. Press calibrate again and follow the same procedure for the 4 pH standard. 5. Next, press read and put electrode into the flushed Di water, once stabilized, press read again. 6. Write the pH value of the water on the De-ionized water log next to Millipore system, along with the date and your initials. 7. The pH should be in the 5-6 range. Using Millipore Bring carboy over to system. Place clear tube that sits in sink into the carboy. Press Operate/Standby button and wait for water quality of 18.2 omega cm. Turn recirculation valve to production and turn off bypass valve. It will take about 25 minutes to fill carboy. Shut Down Turn valve back to recirculation. Press operate/standby until standby is showing. Carefully bring carboy back to sink.
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