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An alum dose of 65 mg/L is considered to be an over dose.
Figure 1: Effluent Turbidity vs. Time, Floc Blanket on Low, Alum dose = 65 mg/L
Image Removed !FB high alum dose 65 mgl.png|width=850px,align=centre!
Figure 2: Effluent Turbidity vs. Time, Flock Blanket on High, Alum dose = 65 mg/L

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