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Remove the largest clumps of grout with the wooden tools using an underhand chipping method. Grasp the handle of the tool with your wrist facing upwards, and place the flat end of the tool against the grout. Chip at the grout to loosen the bigger pieces.
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Fill the gallon jug with water.
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Pour the cup of sugar into the jug, cover and shake until the sugar dissolves.
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Pour the sugar solution onto the remaining grout, and cover with a trash bag.
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Wait two hours, remove the trash bags and scrub with the nylon scouring pads until clean.
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Proceed to mop the floor as you normally would to clean up any remaining sugar solution.
