Adding Yeast to Septic Tank Systems

Adding yeast to septic tank systems has been around for as long as the septic system has been around. This post will try to clarify for the reader the difference between adding an approved septic tank treatment to a system and using additives such as yeast and other old fashion wives tale septic treatment remedies.

For years families with septic tanks have been adding yeast to baking soda to dead chickens for the purpose of treating their septic system in an attempt to create a healthy bacteria count for the purpose of digestion. These products produce little result and are unreliable at best. Yeast has a clotting or coagulating affect on fats, oils and greases. The affect of yeast in a septic tank will cause fats, oil and greases to form into a ball or slab that is clearly visible when the septic tank lid is exposed. Prolonged use of yeast will cause fats, oils and greases to form clogging septic drain field lines.

There is a vast array of septic systems designs in the market today. The one thing most septic systems have in common is that they all function using a fairly simple combination of bacteria and natural hydraulics assisting in the natural digestion of solids found in a septic system.

The live bacteria in a system are a coli form of bacteria that is produced by the human body. This bacterium is a weak form of bacteria and is easily killed off with the use of anti bacterial products such as anti bacterial hand soaps and harsh cleaning chemicals.

Natural hydraulics is the natural motion of the water flowing through the system created by the waste water generated by the home. This movement or motion creates a natural agitation assisting the bacterial growth promoting digestion and pushing liquefied solids out into the drain field where they will leach into the ground returning to the water table.

The normal operation of the septic system relies primarily on the bacteria produced by the human body digesting the solid waste into a liquid effluent. Adding yeast or other foreign additives to the system will in most cases have a negative effect on the system.

Only use commercial grade bacterial additives in your septic tank system. The use of additives such as yeast and baking soda are not specifically designed for septic system. They can cause damage costing you the homeowner thousands in repair or replacement costs.

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