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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.
Water backing up. Water backing up in household drains or slowly draining may be a sign of drain field failure. When the system is functioning properly, wastewater from the household enters the septic tank displacing some of the contents of the tank, which is then pushed to the drain field.eptic odor in the backyard. A septic odor in the backyard can signal a potential problem in the drain field. If effluent is collecting in the soil instead of draining it may begin to smell. This is an early warning sign to have a septic maintenance company take a look at your system.