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Old 12-08-2008, 04:37 PM
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Michael,

When you tested it at 50' did it also have any significant vertical length it had to pump up? Right now I have mine set up to pump about 3' vertically and I'm finding that the three rollers aren't keeping the column of fluid steady leading to some of the fluid flowing back into the dosing containers and causing erroneous dosing volumes (because the pumps aren't keeping the fluid at the end of the dosing lines).

Should the pump/three rollers be able to keep the fluid constant in the tubes? I know my old AquaMedic only had two rollers and therefore required check valves to be installed to avoid this same problem. I was hoping this unit would not require this.
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