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Overall score includes:
Greasy soil removal (100%)
White tiles are covered in a greasy soil and, following the manufacturer’s instructions on applying the cleaner, we used a mechanical arm to clean the tile. The tile’s cleanliness is then checked with a spectrophotometer. The test is repeated 8 times and the results are averaged.
Where instructions stated, we applied the cleaner to the tile and left it for the designated time before scrubbing the tile clean. Not all cleaners had application directions. In those cases, we applied the cleaner to a damp sponge before placing the sponge on the tile and scrubbing the tile clean.
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