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Polyaluminum Chloride (PAC) solution is stored in a plastic jug near the peristaltic pump. The pump draws solution out of this jug through a tube.
Peristaltic Pump
The peristaltic pump near the Aguaclara desktop computer pumps alum from the plastic jug to the flocculation tank. This pump can be turned on and off, but its speed can be changed only by changing the "alum dose" in Process Controller. (See "Starting the alum pump" on the Troubleshooting Start-up page.
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