I have been wondering about contact time or more specifically the amount of media(BH or PMS[Hi, Luke
], etc.) withwhich water actually comes into contact while passing through the shower.
From what I have read, the shower should have at least 3 or 4 stages/trays; suggesting these possible requirements:
* Different zones for different critters(scientific term) residing on the media
* Minimum amount of media required for mineralization/nitrification etc.
* All of the above
Guessing from the widely used setups, the amount of media that the water sees is NOT much, only about 5~6 times the depth of each tray(for 4-trays setup).
Am I correct?
(I really like the concept of Bakki Shower, but would like to see more energy-efficient approaches. There has to be a better way!
)