Why are there water marks on the glass after cleaning?

Updated on 2022/04/29
1. The mopping pad might be too wet. Please make sure that you wring the mopping pad dry after it gets wet.
2. If you clean the window with a low frequency (quarterly or semi-annually), more dust will accumulate on the glass and the mopping pad will get dirty easily. You will need to wash the mopping pad in time and clean the window a few more times to achieve a better cleaning effect.
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