What is best thing to add to water to help to clean very oily (vegetable oil, finger prints) neglected restaurant windows.
I assume in cases like this dish soap cuts the grease better than GG4, anything else I should add to the water?
I assume in cases like this dish soap cuts the grease better than GG4, anything else I should add to the water?
from Window Cleaning Resource http://ift.tt/1JyilqU
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