If it's really tough and you have tried a bunch of different things, try squirting on toilet bowl cleaner to coat and let it set for 10 minutes and then wipe and wash off.
Every time I clean my mirrors, they end up having tons of streaks and almost look worse than before I started. What could I use to clean them that won't leave streaks...
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Have these little black. Bugs in shower area.... they look like specks of black dirt but they move and fly. It seems like they hang out in the corners which are not. ...
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If it's really tough and you have tried a bunch of different things, try squirting on toilet bowl cleaner to coat and let it set for 10 minutes and then wipe and wash off.