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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 Also keep the vent in your car set to âfresh airâ rather thanâre-circulateâ. 2  This is another way to get rid of that smell. 3  You can even try putting vinegar, diluted with water, in a container and keeping it inside the car, to put off that bad smell. 4  Make sure that the container has a few holes at the top.