| Siporax and Bioglass
Siporax and/or Bioglass are terrific media for trickle tower constuctions, I have used both of them for many years. I suspect their properties in terms of surface area per unit volume and far infrared radiation at a decent match to the Bakki shower media. Siporax and Bio-glass are expensive just as the bakki shower media is expensive.
I regenerate the Siporax and Bioglass media in my trickle tower filters once per year by dipping it into pails of straight Muriatic acid from the building supply house. That removes everything but the ceramic media in less than 5 minutes, making the media "good as new". That regeneration process is "not for everyone", straight Muriatic acid is very corrosive, meaning mishandle it and you did not have a good day.
It will be interesting to see how long the ceramic media sold for bakki showers will work without surface area regeneration.
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