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Case Study

Septic Tank 900 Gal. system – 429 Sq. Ft. Leach Field

Solids Reduction - System Restoration


Septic systems are typically unable to degrade the bio-solids that accumulate in the tank and leach fields. While indigenous microorganisms are present in most septic systems, they are not capable of degrading the waste at a sufficient rate to keep the system in proper operating order. The result in the best case is that the tank must be pumped with its corresponding expense. The worst case would be that the system fails and must be removed and replaced at a substantial cost.

A relationship with a commercial septic tanks installation and repair company in central Florida was formed to conduct a field evaluation of a Bio-Enhanced Organic Product in a failing septic system. The system selected for evaluation was a 900 gallons system with 429 sq. ft. of leach field. The system had completely failed; there was no drain evacuation and water had penetrated through the soil above the drain field and was standing there. The accumulation of biomass in the bottom of the leach field created a shield that prevented wastewater from leaching into the ground as designed. The estimated repair or replacement cost was substantial in addition to the operational disruption.


First, the septic tank was pumped out. Water began to backflow into the tank from the leach field. This was another indication that the leach fields were not working. The system was pumped because there was total blockage in all drains and lines, and there was no other method to get adequate flow in system to carry the product throughout the system.

An Organic Product was added at a rate of 1 gal. per 100 gal. of tank capacity directly into the septic tank (9 gal. for the 900 gal. tank). At the junction box, 1 gal. of product was added for each 100 sq. ft. of leach field in the system (4.3 gal. for 429 sq. ft. in the leach field). If the leach system is a chamber type system, the product must be added into each chamber based on the square footage of each line.

Within 3 days after treatment, the drains from the building began to flow more freely. In 10 days, drain evacuation was performing as good as new. After 60 days the biomass accumulated in the bottom of the leach fields was cleared and the wastewater began leaching as designed.


With slightly over 13 gal. of Organic Product the malfunctioning system was restored to normal operation. The owner saved the substantial repair or replacement expenses and was not exposed to having the property disrupted.

The recommended maintenance dosage of a system experiencing problems is 1 gal./mo. for a 6-month period. The dosage thereafter for general maintenance of an operational system, is 8 oz./mo.

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