If the tank is not cleaned on some type of regular basis, the accumulated sludge will slowly flow out of the tank and into the field. There is no way of cleaning the sludge from the field and this is what causes the field to fail prematurely. New systems can range in price from $10,000 to $35,000 dollars depending on size, type of soil and terrain.
Tanks should be emptied every three to five years, but this rule is not true for every family and every system. Some systems have a very small tank of 125 gallons or less. Families with multiple bathrooms and 5 or more people using the system will need more frequent cleanings.
Finally, there is no magic potion that you can buy for the septic tank that will “eat” the sludge or make it disappear. Just like you change oil in a car to prevent engine failure, you need to clean or pump the septic tank to greatly extend the life of the entire septic system..
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