840 Explorer Ave. Molalla, OR 97038
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KILLING THE GOOD BACTERIA
Bacteria must be present in the septic tank to digest the organic solids. Normal household waste provides
enough bacteria to digest the solid UNLESS any harm is done to the bacteria. Bacteria are very sensitive to
environmental changes.
Chemotherapy medications, other heavy antibiotics and many home-care products will destroy bacteria.
Check the labels of products you normally use. In addition some home based businesses, such as hair
salons and bakeries, produce byproducts that can kill your good bacteria.
Products developed for urban sewer systems can ruin a rural septic system. People do not think about the
effects these products have once they go down the drain. How do you think antiseptics affect your septic tank?
Bacteria must be present to digest and liquefy the scum. If not digested, the scum will accumulate until it
overflows, clogging the soil absorption area. Killing good bacteria will lead to a septic system failure.
KEEPING YOUR SLUDGE
The sludge in the septic tank, inorganic and inert material and by products of bacterial digestion, is not
biodegradable and will not decompose. If not removed, sludge will accumulate until it overflows. An overflow
will clog the soil absorption area and eventually pollute the ground water.

Products labeled with any of the
following warnings will kill bacteria:
Harmful of fatal if swallowed
Avoid contact with the skin.
Do not get in open cuts or sores
If comes in contact with eyes, call a
physician immediately.
Common home-care products that will
kill good bacteria:
*detergents
*bleach
*disinfectants
*toilet cleaners
*sink & tub cleaners
*caustic drain openers
*cleaning compounds
*polishes
*acids
Other bacteria killers include:
Long hot showers
Bacteria thrive in a moderate environment.
Cooler water also maintains the separation
between the scum, effluent and sludge zones
in your tank. Keep hot shower time to a
minimum.
*Chemotherapy treatments
*Heavy Antibiotics
*Home Hair Salons
*Home Based Bakeries
(503)829-7448 (800)683-7007
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