Trickle filter at once, as there will also be bacteria living in my sump to continue the de-nitrifying process?
Related Questions
- What is the difference between a HEPA filter and a ULPA filter? When living organisms such as bacteria and viruses are trapped in a true HEPA filter, are they killed?
- Trickle filter at once, as there will also be bacteria living in my sump to continue the de-nitrifying process?
- When living organisms such as BACTERIA and VIRUSES are captured by a True HEPA filter, are they killed?