cover later. for hygiene, have rubber gloves on. if the clog is very close, put your hands in and scoop out the clog with your hand and dispose it in the garbage. if the clog is very deep or you are in no mood to put your hand into the drain, pour some boiling water through the drain opening. then, add vinegar and soda in a bowl and pour it into the drain, once it starts to create bubbles. after ten minutes add another liter of boiling water and close the drain cover.
this is also a preventive measure. if your floor drain gets clogged every now and then, you have 