Another natural remedy that works is tea tree oil, which has incredible antibacterial properties: it is capable of eliminating bad odors and Clean the mop thoroughly. Just fill a container with warm water , the juice of 2 lemons, then add a few drops of tea tree oil and leave the rags and mop soak for half an hour. Finally they are rinsed, the result is fabulous . What all of these remedies have in common is that the cost is zero or almost zero. They are all super convenient remedies, that do no harm, that do not ruin the floor if they are not rinsed properly, in short they have no drawbacks.