BIOROCK FAQs | Residential Wastewater Treatment FAQ

How often should the media be changed?

Our answer:

The replacement frequency of the treatment unit's mineral-based media bags can be found in the user guide; we indicate an average lifetime of 10 years.

This duration is indicative and is intended to raise user awareness on the necessary maintenance of their Biorock system.

We have units that have been in operation for over 20 years in Europe, and over 10 years in Southern Africa, and are still operating extremely well with the original bags. As a consequence, we know that with effective monitoring, the lifetime of the bags may be over 10 years.

The mineral-based media is an inert material, it does not deteriorate over time and retains its characteristics if the system is serviced regularly.

In the maintenance recommendations, an annual inspection is recommended to ensure that the system is working properly. The inspection protocol is described in the user guide.
The inspection procedures are straightforward, but it is recommended that preventive maintenance be carried out by a professional, as contact with the effluent presents a significant bacteriological risk, and the gases produced in the primary tank can be hazardous to health.

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