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What Makes ‘Once-A-Year Septic Treatment’ So Different?
No matter what septic system products call themselves – digesters, energizers, or conditioners – for the
most part, they share one common trait – they must be used on a regular basis. The reality is that all
these products have a limited lifespan and limited ability to work in your septic system. Based on
Nordevco’s proven BactiDomus Biotechnology for treatment of municipal systems, community sewage
lagoons and treatment plants, Once-A-Year Septic allows you to use that same powerful technology to
manage your septic system. Once-A-Year Septic provides an easy to use, safe, non-toxic and non-
caustic alternative to products that is effective and affordable. With less packaging, less work and a
bottle that can be recycled to reduce waste, Once-A-Year Septic translates into a more environmentally
friendly solution to manage your septic system.
Based on Nordevco’s proven technology for treatment of Municipal Systems,
Community Sewage Lagoons and Treatment Plants,
Once-A-Year Septic allows you to use that same powerful technology to
manage your septic system simply, affordably and effectively.
With Once-A-Year Septic,
you simply pour the contents of the container into your toilet and flush.
No measuring, no weekly maintenance dose, no effort…
just flush it and forget it.
Annual Biological Treatment
for Septic System Health
“Amazing Product! The savings from pump-out fees is a blessing.
Thanks for a great product."
J.H. Saskatoon, SK.
From Our Satisfied Repeat Buyers
“Ordering your product for a good few years in a row now
and we did not need to pump our septic tank ever.
It really shows that your product works very well."
N.S. Ann Arbor, MI
Once a Year Septic Treatment featuring BactiDomus BioTechnology
What People Are Saying
Manage your septic system simply, affordably and effectively.
How Once-A-Year Septic helps maintain your septic system:
Using the same technology used to break down waste and improve
operations in larger municipal lagoons, Once-A-Year Septic will
immediately begin to break down solids and sludge accumulated in your
septic tank. In addition, Once-A-Year Septic will restore the proper
biological balance to the system. This will have an immediate impact on the
operation of the system, eliminating odours, and improving drainage and
As Once-A-Year Septic continues to work in your septic tank,
it will also begin to have a positive impact on your leach field. As
the solids and sludge in the septic tank break down, some of the
Once-A-Year Septic bacteria will be carried out to the leach field by
organic particles that they have attached to where they will continue
to break down organic material that is clogging the field. As this
organic material is broken down the leach field will begin to operate
more efficiently and the signs of problems will begin to diminish and
disappear: water ponding will stop and the raw sewage smells
around the field will be eliminated. Once-A-Year Septic will also
break down the fats, oils and greases that end up in both the septic
tank and leach field and that contribute to flow and drainage
problems. It will also ensure that the scum layer that typically forms
in the sedimentation chamber does not get too thick and inhibits the
normal operation of the system.
For more information about what Once-A-Year Septic can do
for your septic system, visit our FAQ’s page.