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Approximately 120 hours later (5 days later), the stock solution was refilled with the same concentration (62241.5 grams of lime in 15 liters of tap waterg/L). However, the blender had been repaired at this time and was used to prepare the slurry, instead of the mixer. At the same point in time (5 days from the beginning of the experiment) the flow rate for the peristaltic pump flowing to A2 was increased from 40 mL/min to 50 mL/min in an attempt to raise the pH.
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