How to clean a septic tank naturally

Septic Tank Dude Author at Septic Tank Dude
Jack has been working all of his life in the septic tank maintenance, cleaning and pumping business. In 2020 when COVID hit he decided to retire from pumping septic tanks and use his knowledge to help out readers of Septic Tank Dude. Jack has a wealth of knowledge to share on septic tanks, leach fields and much more.
Jack Cacy

A septic tank contains massive amounts of natural bacteria that work to break down your household waste. When considering how to clean a septic tank naturally, the top of the list is not introducing any harsh chemicals that will kill good bacteria. In this article, we will look at the options for homeowners who want to naturally clean their septic tank the easy way, or those who want to roll up their sleeves and get a bit dirty…


The simple septic tank clean

Most homeowners avoid doing anything with their septic system. While this works well when the septic system functions properly, it can lead to an unexpected septic system failure that leads to your drains, toilet, kitchen sink and shower backing up with raw sewage. Now that we have painted that lovely picture in your mind, the easiest way to ensure your septic system is working properly and stays that way is to use a simple septic tank treatment every month that you just flush down your toilet. This natural septic tank treatment costs around $9 per month and will actively promote the right level of beneficial bacteria and healthy bacteria to grow, ensuring you look like a pro when it comes to maintaining your septic system.

Benefits of the simple method

  1. Reduces solid and sludge build-up in your septic tank
  2. Helps to unclog build-up in pipes
  3. You don’t need to research and make a homemade septic tank treatment that may or may not work
  4. You just flush the tablet down the toilet once a month
  5. No need to open your septic tank or even look in there
  6. It is a natural cleaning agent or natural solution


  1. There is a cost to maintain your septic with the simple method, and that cost is for peace of mind!


Some house rules to maintain your septic system

To ensure nothing gets into your septic tank to prevent your septic system working properly, some house rules and simple rules for visitors will go a long way.

What not to put in a septic tank:

  1. Raw or cooked meat
  2. Paper towels
  3. Personal wipes
  4. Cooking oils
  5. Baby diapers
  6. Feminine products
  7. Grease
  8. Ensure you have the correct septic safe toilet paper, look here for the best toilet paper for septic tanks
  9. Harsh chemicals including chemical cleaners and cleaning products


don't wait for your septic to fail, prevent it


The more complicated septic tank system clean

Although one of the most effective ways to clean your septic tank naturally is to have the septic system pumped, this is also one of the most costly. If you are not using a natural treatment to reduce the solids, sludge and scum in your septic system then you will need to get your septic system pumped more often.

Once you have had your septic system pumped you can then progress with ensuring your system function properly by following the easy method above. If your county rules allow you can get into your septic tank and give it a clean with a natural cleaner. For more information on what to do after your septic tank is pumped see this article.




Frequently asked questions

Can I have a garbage disposal with a septic system?

In order to maintain your septic system with healthy bacteria, it is key to limit the amount of solid waste you put down in the garbage disposal. For everything, you need to know about using a waste disposal with septic tanks, see this article on garbage disposal septic system.


What about baking soda as a natural cleaner?

There are many websites that tout baking soda and vinegar or baking soda and lemon juice as a way to naturally clean your tank or as a homemade septic tank treatment. There is number of problems with using baking soda and vinegar. The first is that too much vinegar or lemon juice can turn your septic system acidic which is similar to a chemical reaction that kills good bacteria and can stop the system function properly. Although backing soda and vinegar are natural ingredients, they will not increase bacteria and are fine to be used as a natural cleaning agent but not as a natural solution.


What about dry yeast or active yeast as a septic tank treatment?

Flushing dry yeast down the toilet or mixing up active yeast is another myth that is found all over the internet. Flushing yeast into your tank like a cup of baking soda can lead to more harm than it will help. An overgrowth of good bacteria is bad for the system and is not a recommended. If you are looking for a natural option that will only help your system, look at this natural septic tank treatment.


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