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Using a 5 gallon bucket, the team calculated the volume of the bucket and the lime mass needed. It was calculated that 124.5 grams of lime, dissolved in 15 liters of water, can run for approximately 40 pulses, or 240 hours! The set up can be seen in Figure 2 below. 
Figure 2
Procedure
For the apparatuses, the same procedure was followed as outlined in the materials and methods page. Two 100 gram samples of lime slurry were prepared by blending them in the blender on the "liquefy" setting. These were then fed into each apparatus via the vertical column. The water used was tap water and A1 had a flow rate of 30 mL/min and A2 had a flow rate of 40 mL/min.
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