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Spray around vinegar. Vinegar is another powerful product that can remove septic smell. Simply mix some vinegar and water and pour it in a spray bottle. Spray this solution to the objects around the hose that have obtained the septic smell.You can also wash your clothes with vinegar if the septic smell has stuck to the fabric fibers.inegar is another powerful product that can remove septic smell. Simply mix some vinegar and water and pour it in a spray bottle. Spray this solution to the objects around the hose that have obtained the septic smell.
1 Pour a small amount of Listerine into the water of your humidifier in order to prevent the growth of mildew or bacteria.  Pour 1/2 cup of Listerine into the water tank of your toilet and then flush. This will help to get rid of germs and odour, making your bathroom smell fresh.