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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.
The only things that should be flushed down the toilet are wastewater and toilet paper. Avoid Hazardous Chemicals. To avoid disrupting or permanently damaging your septic system, do not use it to dispose of hazardous household chemicals.he Septic Tank. Household wastewater first flows into the septic tank where it should stay for at least a day. In the tank, heavy solids in the wastewater settle to the bottom forming a layer of sludge, while grease and light solids float to the top forming a layer of scum.